Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

Recently discovered Comet C/2025 R3 (PanSTARRS) will make its closest approach to the sun and Earth in late April and could ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

The interstellar comet 3I/ATLAS arrived looking like a routine icy visitor and then promptly started shredding the rulebook ...

A delay in one European Space Agency mission is creating an opportunity for an earlier, and more capable, launch for another ...

Comet 3I/ATLAS, only the third interstellar object ever observed, is making its final pass through our skies, offering a rare ...

The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

On5, 2006, NASA's Stardust spacecraft returned to Earth to drop off a capsule that contained the first samples of a comet and ...

24P/Schaumasse will make its closest pass of the sun on Jan. 8, according to In-the-sky, when it will pass 109.7 million ...

Space experts are in shock after seeing eight new high-definition photos of a visitor from another star system. The object, ...

On05, NASA launched its Deep Impact mission to crash into comet Tempel 1, also known as 9P/Tempel. Two spacecraft were ...