NASA confirms 3I/ATLAS visible tonight — learn when and where to spot the rare interstellar comet lighting up Earth's skies ...

Debris from Comet Encke creates two annual meteor showers, but it might also pose a small risk to Earth. Scientists are ...

Even long-lived subduction zones eventually die, and scientists believe they are witnessing the slow death of one in the northern end of the Cascadia subduction zone.

The interstellar comet 3I/ATLAS has recently made its closest approach to the Sun and is now heading back out, providing astronomers with several months for observation. , Technology & Science, Times ...

A new interstellar comet, 3I/ATLAS, is passing through our Solar System. This rare visitor comes from deep space, carrying clues about planet formatio ...

A pair of newly discovered comets are making a rare double display in the night sky this week. SWAN and Lemmon, both of which were discovered this year, have reached their closest points to Earth in ...

Oct. 20 (UPI) --A rare encounter of two comets this week will have stargazers in awe after nearly a year of no easily seen comets. Two comets C/2025 A4, nicknamed "Lemmon" and its counterpart C/2025 ...

Behind the Sun, the comet appears to show signs of acceleration beyond what is expected by gravity. And for reasons not yet ...

I/Atlas is brightening, turning blue and emitting a radio signal, but scientists say its path misses Earth by a wide margin and it poses no threat to humans.

The most visible comet of the fall will make its closest approach to Earth overnight. Comet Lemmon (C/2025 A4) is one of a pair of comets sweeping through the solar system. The other is SWAN (C/2025 ...