Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

Interstellar comet 3I/ATLAS made its closest pass of Mars on Oct. 3, and Europe’s Red Planet spacecraft were ready for it.

For millions of years, a fragment of ice and dust drifted between the stars—like a sealed bottle cast into the cosmic ocean.

But over the summer, 3I/ATLAS, has plunged toward the inner solar system—and the fireworks show has begun in earnest. When ...

I/ATLAS, only the third object from beyond our solar system ever spotted from Earth, was viewed from Mars by an orbiting European spacecraft.

NASA’s Perseverance rover has been exploring the surface of Mars for evidence of ancient microbial life since 2021, but it’s also pulling off a few other tricks … like photographing interstellar ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.

A European Mars probe witnessed the interstellar comet 3I/ATLAS' Red Planet flyby on Oct. 3, snapping imagery of the ...

Daniel W.E. Green at the Central Bureau for Astronomical Telegrams, suggests that comet SWAN will hover near magnitude of +6, ...

Comet Lemmon, discovered earlier this year, will make a close approach to Earth later this month, giving skywatchers the ...