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NASA Research Indicates Human Microbes May Survive on Moon's South Pole, Raising Contamination Concerns for Future Missions

NASA Research Indicates Human Microbes May Survive on Moon's South Pole, Raising Contamination Concerns for Future Missions

A recent NASA study, published in Science Advances, suggests that human-related microbes could survive for extended periods on the lunar surface, particularly in the Moon's south polar regions. Researchers, led by Prabal Saxena of Goddard Space Flight Center, mapped where five common human-associated microbes (three bacteria: Bacillus, Staphylococcus, Deinococcus; and two fungi: Aspergillus, Fusarium) could withstand the Moon's harsh conditions, specifically ultraviolet (UV) radiation. Contrary to expectations that survivable microbes would cluster only in permanently shadowed regions, the study found survivable pockets spread across the entire polar regions. This is largely due to the lower UV radiation levels at the poles compared to the equator, and the ability of even small surface features to cast shadows that offer protection. The fungus Aspergillus demonstrated the highest survivability, lasting for a week or longer in some areas. The study highlights that spacesuits are not completely sealed and ca...
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On This Day: Color Television Took a Major Step Toward the Modern Era

On This Day: Color Television Took a Major Step Toward the Modern Era

The journey of color television has been a continuous evolution of technical innovation, moving from rudimentary mechanical systems to the sophisti...
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NASA Awards Blue Origin Contract for Mars Telecommunications Network Development

NASA Awards Blue Origin Contract for Mars Telecommunications Network Development

NASA has awarded Blue Origin a contract to develop the agency's Mars Telecommunications Network. This next-generation communications system is designed to provide reliable, high-bandwidth communication and navigation services for current and future Mars missions. The firm-fixed-price contract has a potential value of approximately $700 million, with Blue Origin tasked to deliver a high-performance Mars telecommunications orbiter to NASA by December 31, 2028. Blue Origin will be responsible for the design, development, integration, launch, and operation of this network, which will be a part of NASA's broader space communications and navigation infrastructure. The network will feature a high-performance telecommunications spacecraft orbiting Mars, transmitting science data, imagery, navigation information, and critical mission communications for spacecraft operating on and around the planet. This initiative follows NASA's request for proposal issued in May and aligns with the agency's strategy to expand comm...
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NASA Awards Blue Origin $700 Million Contract for Mars Telecommunications Network

NASA Awards Blue Origin $700 Million Contract for Mars Telecommunications Network

NASA has awarded Blue Origin a firm-fixed-price contract with a maximum potential value of approximately $700 million to develop the agency's Mars Telecommunications Network. This next-generation communications system is designed to provide reliable, high-bandwidth communication and navigation services for current and future Mars missions. Under the contract, Blue Origin is tasked with designing, developing, integrating, launching, and operating the network. A key deliverable is a high-performance telecommunications orbiter for Mars, which Blue Origin must provide to NASA no later than December 31, 2028. The network, managed by NASA's Space Communications and Navigation program, is expected to be operational at Mars by 2030. This initiative is part of NASA's broader strategy to expand communication and navigation services beyond Earth and the Moon, establishing a foundation for sustained exploration of Mars in the coming decades.
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NASA and Axiom Space Develop Simplified 'Sortie Suit' for Initial Moon Landings

NASA and Axiom Space Develop Simplified 'Sortie Suit' for Initial Moon Landings

NASA, in collaboration with Axiom Space, is developing a specialized 'Sortie Suit' for initial crewed lunar landings, aiming to accelerate the Artemis program. This decision comes as the original AxEMU spacesuit design proved too complex and heavy, causing significant delays. The new approach focuses on reducing the spacesuit's mass, minimizing complexity, and simplifying its interface with lunar landing modules. Former astronaut Charlie Precourt, speaking at an Aerospace Safety Advisory Panel meeting, noted that NASA and Axiom specialists are meeting frequently to adapt requirements and shorten certification timelines. The Sortie Suit is intended for use during the initial landings near the lunar south pole, facilitated by SpaceX and Blue Origin lunar landers, with a target of 2028. The original requirements for the AxEMU, which included supporting six spacewalks in 6.5 days, 210 days of storage, and two hours of operation in extremely cold, permanently shadowed regions, led to a bulky and mechanically co...
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Scientists find a huge 10-sided wave pattern swirling in the clouds over Saturn's south pole

Scientists find a huge 10-sided wave pattern swirling in the clouds over Saturn's south pole

Scientists have discovered an enormous 10-sided wave pattern in the icy ammonia clouds over Saturn's south pole
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Hollywood's Portrayal of Martian Storms Exaggerates Force Due to Atmospheric Density Differences

Hollywood's Portrayal of Martian Storms Exaggerates Force Due to Atmospheric Density Differences

Hollywood films, such as 'The Martian,' often depict Martian dust storms with terrestrial violence, showing them capable of bending antennas, hurling debris, and forcing astronauts to flee. While Mars does experience winds up to 60 mph, and dust storms that can span continents, the actual force exerted by these winds is significantly less than what is commonly portrayed. This discrepancy arises because Mars's atmosphere is approximately 100 times thinner than Earth's at sea level. Consequently, a 60 mph gust on Mars would exert a force comparable to a gentle 6 to 8 mph breeze on Earth. The key factor is atmospheric density, not just wind speed. The dynamic pressure, which determines aerodynamic push, is directly proportional to air density and the square of wind speed. Therefore, a much lower density on Mars drastically reduces the force of even high-speed winds. This scientific understanding, as noted by NASA, indicates that even the strongest Martian storms are unlikely to tip people or destroy major equ...
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Rocket Lab's Private Venus Mission Delayed Due to Booster Qualification Issues

Rocket Lab's Private Venus Mission Delayed Due to Booster Qualification Issues

A privately-backed robotic mission to Venus, spearheaded by Rocket Lab in collaboration with a scientific group at the Massachusetts Institute of Technology (MIT), has been delayed. The mission's primary objective is to deploy a small probe equipped with an autofluorescence nephelometer (AFN) to sample the Venusian atmosphere, specifically searching for organic molecules within its clouds. The AFN is designed to measure the size, shape, and composition of individual particles. The delay stems from issues related to getting a necessary booster flight-qualified, specifically Rocket Lab's Neutron rocket. This mission represents the first step in a broader program to explore Venus with private funding.
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Scientists Discover Enormous 10-Sided Wave Pattern Over Saturn's South Pole

Scientists Discover Enormous 10-Sided Wave Pattern Over Saturn's South Pole

Scientists have identified a massive 10-sided wave pattern, described as a decagon, swirling within the icy ammonia clouds above Saturn’s south pole. This discovery was made using the Hubble Space Telescope in 2023. The Spanish-led research team reported that this spinning, meandering decagon appears to be larger and more unstable than the well-known hexagonal cloud formation observed around Saturn’s north pole by NASA’s Voyager probes in the 1980s. Researchers suspect this atmospheric phenomenon developed between 2017 and 2023, a period when Saturn’s south pole was not visible from Earth. The decagon is still evolving, with one side already measuring over 10,000 miles (16,700 kilometers). The findings were published in the journal Science Advances, highlighting that while all planets with atmospheres exhibit wave-spawning disturbances, only Saturn produces them in polygonal shapes. Unlike the stationary hexagon, the decagon migrates eastward at approximately 6 mph (10 kph).
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Researchers Propose Retrieving Apollo Waste Bags from Moon to Study Microbial Survival

Researchers Propose Retrieving Apollo Waste Bags from Moon to Study Microbial Survival

Researchers have proposed retrieving one of the 96 waste bags and containers left on the Moon by Apollo astronauts across six landings. The primary objective is not to clean up the lunar surface, but to investigate whether any human microbes could have survived up to 57 years of exposure to lunar radiation, vacuum, and extreme temperature swings. These waste bags, which include human waste, food wrappers, and other refuse, have been exposed to the harsh lunar environment since as early as July 1969. While it is widely believed that nothing in them could still be alive, scientists aim to test this hypothesis. Even if no viable cells are found, the retrieved material could provide valuable data on how cells, DNA, and other biological traces decay in an extraterrestrial environment, offering insights into astrobiology and planetary protection.
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Sierra Space Secures National Security and Commercial Contracts for Dream Chaser's Inaugural Flight

Sierra Space Secures National Security and Commercial Contracts for Dream Chaser's Inaugural Flight

Sierra Space, a defense-tech space company based in Colorado, has announced securing contracts with undisclosed national security and commercial customers for payloads on the inaugural flight of its Dream Chaser spaceplane. The Dream Chaser is a unique commercial, reusable, and runway-capable orbital spaceplane designed to return cargo from orbit at less than 1.5g and land on any 737-capable runway. This inaugural mission is significant as it will serve national security, commercial, and civil customers, including NASA's Cargo Resupply Services program, on a single flight. According to Dan Jablonsky, CEO of Sierra Space, this establishes a new operational model where one platform serves multiple customer types, highlighting the multi-use space economy. The spaceplane's design allows for hardware with partial space certification, reducing development costs and accelerating time to orbit. Sierra Space is currently finalizing the manifest for this mission, which will launch from Kennedy Space Center, conduct ...
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NASA's Roman telescope is in space. But don't expect photos until 2027

NASA's Roman telescope is in space. But don't expect photos until 2027

Here's what to know about the launch of the Nancy Grace Roman Space Telescope, as well as what's next for NASA's latest astronomical observatory.