Mysterious Gas over Mars’ Alba Mons Could Hint at Volcanic Activity
Hydrogen chloride (HCl) gas was seen during Mars’ cold aphelion season, when none was expected; the detection is…
Vera Rubin Observatory Spots Possible New Dwarf Planet beyond Pluto
Astronomers using the NSF-DOE Vera C. Rubin Observatory have found what may be a new dwarf planet in…
Meteorite Found in Sahara is Piece of Mars at Least 4.1 Billion Years Old
Teghaza 001, a meteorite found in the Sahara Desert in Mali four years ago, is a fragment of…
Uranus and Neptune May Have Taken Different Paths to Becoming Ice Giants
Uranus and Neptune are often described as near-twins, but a new study suggests their chemistry, and possibly their…
Radio signal detected for the first time from a planet outside our solar system
Radio signal detected for the first time from a planet outside our solar system Astronomers say they have…
SpaceX launches Transporter-18 rideshare mission
WASHINGTON — SpaceX launched its latest rideshare mission Oct. 1, carrying a wide variety of spacecraft even as…
Cassini Reveals Surprising Diversity in Salt Grains from Enceladus’ Ocean
A new analysis of nearly 1,000 ice grain measurements from Saturn’s E ring shows that Enceladus’ salty ocean…
Mysterious Rock Formation in Jezero Crater Reveals Mars’ Complex Watery Past
Using data collected by NASA’s Perseverance rover, planetary scientists have revealed that a geologically puzzling formation in Jezero…
NATO Militaries Seek Satellite Imagery to Spot Threats Early: CEO
Demand for commercial satellite imagery is rising across NATO as the alliance seeks greater access to expand its…
BepiColombo Begins Final Approach to Mercury
After nearly eight years and billions of kilometers of travel, BepiColombo — a science mission led by ESA…
Astronomers discover a water-rich exoplanet that will be swallowed by its star
The number of new exoplanets discovered continues to grow, particularly thanks to observations from various space telescopes. But…
WHAT’S UP IN THE SKY: When dust gets in your skies | Astronomy
Today: Every star rotates. Our Sun takes a little less than one Earth month to rotate once on…