With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most jaw-dropping space photos of 2025.

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

The movie appears to follow that series’ general arc, in which Supergirl — while extra-terrestrially bar-hopping — teams up with the young alien Ruthye Marye Knoll (Eve Ridley) in a quest for revenge ...