Last week NASA announced the "clearest sign of life that we've ever found on Mars". Amazing news, or a "crushing blow" for humanity?

“The idea that Ryugu-like objects held on to ice for so long is remarkable,” he added. “It suggests that the building blocks ...

Astronomers have identified a tiny quasi-moon, 2025 PN7, orbiting near Earth for about 60 years. This 62-foot-wide near-Earth ...

Astronomers have discovered 3I/ATLAS, a massive interstellar comet speeding through our solar system. Harvard astrophysicist Avi Loeb says “it’s a possibility” that it could be an alien ship.