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…
Interstellar Comet 3I/ATLAS Carries Methane with Record-Breaking Heavy Hydrogen
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected the most deuterium-rich methane ever measured in the…
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…
Farthest human-made object in space loses contact from Earth
NASA briefly lost contact with Voyager 1 in mid-October after the nearly 50-year-old spacecraft stopped transmitting a detectable…
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…
Astronomers discover possible dwarf planet beyond Pluto
Astronomers have spotted a new dwarf planet candidate in the solar system, beyond the orbit of Pluto, which…
Webb Finds Dust-Rich Water Ice in Interstellar Comet 3I/ATLAS
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have found that the water ice in the interstellar comet…
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…
A new calculation could rewrite the Solar System’s ultimate fate
For centuries, astronomers have wrestled with a deceptively simple question: Is our solar system stable? The answer has…
Earth and Mars Were Formed in Fundamentally Different Ways, Study Finds
Earth formed about 4.5 billion years ago from dust, rock, and gas surrounding the young Sun. Over time,…
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…
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…