"When TESS launched, no one expected it to ever be capable of finding this kind of planet." When you purchase through links ...

'This one's exciting.' ...

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

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

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

If someone told you there’s a place in Wisconsin where the landscape looks like it was borrowed from another planet, you’d ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...