The probe launched almost 50 years ago and is the farthest human-made object from Earth. Shutting down one of its scientific ...
Comet 3I/ATLAS continues to be found exceptional. The third known interstellar object is a weird comet, with many properties ...
The comet that rambled past us from another star last year likely originated in a cold, isolated corner of the galaxy that ...
"Each interstellar comet brings a little bit of its history, its fossils, from elsewhere." ...
Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...
NASA's SPHEREx space telescope reveals widespread water ice in Cygnus X, showing how dust shields molecules in star-forming ...
Giant “interstellar glaciers” of water ice have been mapped across the Milky Way by NASA’s SPHEREx telescope, possibly laying ...
University of Michigan astronomers have found that the interstellar comet 3I/ATLAS contains 30 times more "heavy water" ...
Astronomers studying interstellar comet 3I/ATLAS have measured a deuterium-to-hydrogen ratio in its water more than 30 times higher than in solar system comets and over 40 times Earth's oceans. The ...
A comet named 3I/ATLAS was first discovered on July 1, 2025, and is located about 420 million miles away from Earth, ...