Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

Several viewers expressed bewilderment at the critics' lukewarm reception. One wrote: "No idea why there's low ratings... all ...

The True Story of an Alien Craze that Captured Turn of the Century America," David Baron looked into one source of that ...

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

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

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

On the frozen surface of Jupiter’s moon Europa, a strange, star-shaped scar has become an unlikely focal point in the search ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

Exoplanet TOI-561 b is the closest of four worlds orbiting a 10-billion-year-old G-type star roughly 280 light-years from Earth. Credit: NASA / ESA / CSA / Ralf Crawford illustration NASA’s James Webb ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, you're a large object like a moon or a planet; scientists suspect you also ...

"We are only beginning to discover the true complexity of these worlds." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers have used ...