Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

NASA’s Perseverance rover has spent years combing Jezero Crater for subtle traces of ancient microbes, but one of its most ...

Curiosity and MAVEN share the same alien sky, one on the ground and one in orbit, yet the rover will never simply “look up” ...

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

As this celestial nomad, dubbed 3I/ATLAS, makes its closest approach to Earth this week — reaching its minimum distance at 1 ...

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

NASA’s Europa Clipper spacecraft has observed interstellar comet 3I/ATLAS, collecting rare data as the ancient object made ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

NASA’s James Webb Space Telescope has found the most compelling evidence to date that a rocky planet beyond the solar system may have an atmosphere. Although it’s not Earth-like, a planet called ...

NASA 's Perseverance rover has discovered a highly unusual rock lying on the surface of Mars. The lumpy boulder, which has a metal-rich composition, is most likely a meteorite that crash-landed on the ...