The farthest spacecraft from Earth has shut down another instrument in the hopes of buying time for an upgrade that could ...

The probe launched almost 50 years ago and is the farthest human-made object from Earth. Shutting down one of its scientific ...

Our time with our interstellar visitor, comet 3I/ATLAS, is almost up. It’s set to leave the solar system soon, after zipping ...

Astronomers can use telescopes to find specific molecules in the atmospheres of neighboring planets, in nebulae—clouds of ...

The twinkling stars in the sky are further than they appear. So much so that NASA's Voyager 1 is still on its way to reach the star system since its launch on September 5, 1977. It will probably take ...

Giant “interstellar glaciers” of water ice have been mapped across the Milky Way by NASA’s SPHEREx telescope, possibly laying ...

"Each interstellar comet brings a little bit of its history, its fossils, from elsewhere." ...

Research findings are available online in the journal Nature Astronomy. The original story “ Interstellar Comet 3I/ATLAS ...

Comet 3I/ATLAS is only the third interstellar visitor to be confirmed and quite possibly the oldest. Scientists estimate it ...

NASA's SPHEREx space telescope reveals widespread water ice in Cygnus X, showing how dust shields molecules in star-forming ...

Today is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as it will ever get. But lest you ...