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From Breakthrough to Debate: The Story of Kepler-452b

From Breakthrough to Debate: The Story of Kepler-452b

Kepler-452b, a candidate for an exoplanet, was discovered by NASA's Kepler space telescope and announced on July 23, 2015. This discovery marked a ...

NASA's Juno Mission Unveils Subsurface Heat Dynamics on Jupiter's Moon Io

NASA's Juno Mission Unveils Subsurface Heat Dynamics on Jupiter's Moon Io

NASA's Juno mission has provided groundbreaking insights into the subsurface heat dynamics of Io, Jupiter's most volcanically active moon. The study, led by researchers at NASA's Jet Propulsion Laboratory, utilized the Juno Microwave Radiometer to measure temperatures beneath Io's surface. The findings reveal significant heating within the moon's shallow subsurface, with temperatures rising more than 40 degrees Fahrenheit just a few feet below the surface. This heat is attributed to tidal heating caused by Jupiter's gravitational pull. The study suggests two possible explanations for the heat: a steady rise through a conductive crust or cooling lava flows capped by solidified crust. These observations were made during Juno's close flybys of Io in late 2023 and early 2024.

NASA's Juno Mission Maps Io's Heat Patterns, Enhancing Understanding of Jupiter's Moon

NASA's Juno Mission Maps Io's Heat Patterns, Enhancing Understanding of Jupiter's Moon

NASA's Juno spacecraft has conducted two close flybys of Jupiter's moon Io, utilizing its Microwave Radiometer (MWR) instrument to map the moon's heat patterns. The flybys, known as Perijove 57 and 58, occurred on December 30, 2023, and February 3, 2024, respectively. These missions focused on Io's northern hemisphere and mid-latitudes, providing detailed data on the side of Io that constantly faces Jupiter. The Juno mission, managed by NASA's Jet Propulsion Laboratory, is part of NASA's New Frontiers Program. The spacecraft, built by Lockheed Martin Space, continues to operate and gather valuable data about Jupiter and its moons.

NASA's Parker Solar Probe Achieves Record Speed in Sun's Outer Atmosphere

NASA's Parker Solar Probe Achieves Record Speed in Sun's Outer Atmosphere

NASA's Parker Solar Probe has set a new speed record by traveling through the Sun's outer atmosphere, known as the corona, at approximately 692,000 kilometers per hour. This achievement marks the fastest speed ever reached by a human-made object. The probe completed its 28th close approach to the Sun on June 8, 2026, following a tightly drawn elliptical orbit. The speed record was achieved during the perihelion, the closest point in its orbit to the Sun. The Parker Solar Probe's mission involves studying the Sun's corona to understand how it is heated and how the solar wind accelerates. The probe's trajectory was made possible by seven flybys of Venus, which helped adjust its orbit for closer approaches to the Sun.

Today Marks the Discovery of Kepler-452b

Today Marks the Discovery of Kepler-452b

Kepler-452b, a candidate exoplanet discovered by NASA's Kepler space telescope, has garnered attention not only for its potential habitability but ...

50th Anniversary of Viking 1's Historic Mars Landing

50th Anniversary of Viking 1's Historic Mars Landing

NASA commemorates the 50th anniversary of the Viking 1 lander's historic touchdown on Mars, which occurred on July 20, 1976. Viking 1 was the first spacecraft to successfully land on the Martian surface and transmit images back to Earth, providing humanity with its first close-up view of the Red Planet. The mission, initially planned for 90 days, extended over six years, yielding significant scientific data and insights into Mars' geology and atmosphere. Viking 1's success paved the way for subsequent Mars exploration missions, including rovers and orbiters that continue to study the planet today.

NASA's Psyche Mission Utilizes Mars Gravity Assist for Speed Boost

NASA's Psyche Mission Utilizes Mars Gravity Assist for Speed Boost

NASA's Psyche spacecraft recently completed a gravity assist maneuver using Mars, which occurred from May 2 to May 15, 2026. This maneuver involved the spacecraft flying by Mars to gain additional speed and adjust its trajectory slightly. The approach allowed the spacecraft to capture images of Mars as a crescent, due to the high phase angle of approach, with sunlight reflecting off the planet's surface. This gravity assist is a critical step in the mission's journey to the metal-rich asteroid Psyche, which the spacecraft is expected to reach in 2029. The flyby also served as a preparatory exercise for the scientific observations that will be conducted upon arrival at the asteroid.

NASA's Optical VLBI Project Aims to Map Alien Continents on Exoplanets

NASA's Optical VLBI Project Aims to Map Alien Continents on Exoplanets

NASA's latest project, led by Paul Stankus from Brookhaven Science Associates, aims to map the surface features of Earth-like exoplanets using a new kind of nulling interferometer. This innovative approach, called 'dynamic hierarchical nulling,' will separate star light from planet light, allowing for high-contrast imaging of exoplanets. The project is part of NASA's efforts to enhance our ability to study distant worlds and is aligned with the agency's priorities in exoplanet research.

NASA's Voyager Probes Continue to Transmit from Interstellar Space After Nearly 50 Years

NASA's Voyager Probes Continue to Transmit from Interstellar Space After Nearly 50 Years

NASA's Voyager 1 and 2, launched in 1977, were initially designed for a five-year mission to explore Jupiter and Saturn. However, nearly 49 years later, both spacecraft are still operational and transmitting data from interstellar space. The mission, managed by NASA and operated by the Jet Propulsion Laboratory, has exceeded its original scope due to a rare planetary alignment that allowed the probes to use gravitational assists to extend their journey. Voyager 1 crossed the heliopause in 2012, followed by Voyager 2 in 2018, marking their entry into interstellar space. Despite the challenges of operating aging technology, the mission continues with reduced power, focusing on maintaining communication and collecting valuable scientific data.

NASA's Voyager Probes Continue to Transmit from Interstellar Space After Nearly 50 Years

NASA's Voyager Probes Continue to Transmit from Interstellar Space After Nearly 50 Years

NASA's Voyager 1 and 2, launched in 1977, were initially designed for a five-year mission to explore Jupiter and Saturn. However, nearly 49 years later, both probes remain operational and continue to transmit data from beyond the heliosphere, marking them as the only human-made objects in interstellar space. The mission, managed by NASA and operated by the Jet Propulsion Laboratory, has exceeded its original scope due to a rare planetary alignment that allowed the spacecraft to use gravitational assists to extend their journey. Voyager 1 crossed the heliopause in 2012, followed by Voyager 2 in 2018, enabling them to measure the interstellar environment directly. Despite the challenges of diminishing power from their radioisotope thermoelectric generators, the mission team has managed to keep the probes operational by shutting down non-essential systems and instruments.

NASA's James Webb Space Telescope Reveals Mystery Molecule on Pluto and Titan

NASA's James Webb Space Telescope Reveals Mystery Molecule on Pluto and Titan

The James Webb Space Telescope (JWST) has detected an unexplained infrared signature on both Pluto and Saturn's moon Titan, suggesting similar chemical processes may be occurring on these two distinct celestial bodies. The discovery, led by Bruno Bézard from the Paris Observatory, indicates the presence of an unknown compound or a family of related compounds. This signature appears at the same infrared wavelength on both worlds, absorbing light identically, which points to a shared chemical process despite the vast differences in their environments. Titan, with its dense atmosphere and methane seas, and Pluto, with its icy surface and thin atmosphere, both exhibit this mysterious feature, which has yet to be identified.

James Webb Space Telescope Identifies Mystery Molecule on Pluto and Titan

James Webb Space Telescope Identifies Mystery Molecule on Pluto and Titan

The James Webb Space Telescope (JWST) has detected an unexplained infrared signature on both Pluto and Saturn's moon Titan, suggesting the presence of an unknown compound. This discovery, led by planetary scientist Bruno Bézard from the Paris Observatory, indicates that similar chemical processes may be occurring on these two vastly different celestial bodies. The infrared feature appears at the same wavelength on both Titan and Pluto, absorbing light identically, which points to a potential family of related compounds. The signal was first noticed in Titan's atmosphere in November 2022 and later confirmed on Pluto in May 2023. The exact nature of the compound remains unidentified, but it is speculated to be a type of hydrocarbon, possibly from the allene family, known for strong absorption in the detected range.