When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Chinese researchers have captured the first-ever close-up images of the rare “mini-moon” that’s tracing circles around the ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

From terrifying oceans to sci-fi factories and dangerous mountains, 2026 has already featured a host of masterful open-world ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

GJ 3378b could be just large enough and just close enough to its star to host life (Picture: Nasa) Aliens could call a planet about a 282 million-year drive away home, scientists say. GJ 3378b is an ...

Starfleet encounters​​​. Whether it's the warlike Klingons, the logic-seeking Vulcans, or the alluring Orions, the Star Trek ...

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they ...

Get your eyes on the seventh planet, and you can graduate as a skywatcher — and there's a perfect way to cheat this week as ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.