A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

"We are literally mapping the entire celestial sky in 102 infrared colors for the first time in humanity's history." ...

YR4, which was recently spotted in the cosmos with a non-zero chance of hitting Earth in the coming years, may have caused some alarm.

An asteroid first spotted in December has a 1.2% chance of hitting Earth in 2032. Scientists are tracking the space rock to learn more about its size and trajectory.

A 100 metre wide asteroid is heading towards Earth and has triggered a response from a global defence group after it was ...

A spectacular line-up of seven planets will be visible under UK skies during peak conditions, experts say - and the rare ...

An extraordinary astronomical phenomenon will illuminate the sky as stargazers are urged to look up to catch a glimpse of the ...

In NASA's latest survey, experts detected black holes hidden behind thick clouds of gas and dust and others that are not.

Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...