Observing this distant epoch is notoriously difficult, astronomers say. At that time, the universe was filled with a dense ...

NASA's recently-retired SOFIA airborne observatory aircraft, the "flying telescope," also called Plant 42 home. The agency's ...

The ESA competition aims to foster independent access to space by supporting emerging small- and medium-lift rocket ...

SpaceX aborted the launch of two communications satellites just before liftoff on Monday evening (July 21). A Falcon 9 rocket ...

"We will never witness the formation of Earth, but here, around a young star 440 light-years away, we may be watching a ...

Amateur astrophotographer and full-time wildlife conservationist Tim Henderson captured a trio of breathtaking nebula scenes ...

"It appears that there is a preferred physical environment in which stars form when they evolve within these clouds." ...

Our expert travel guide to the 2026 total solar eclipse in Greenland, Iceland and Spain is packed with insider tips, travel advice and skywatching secrets from seasoned eclipse chasers.

The fact that Betelgeuse is one of the brightest stars in the sky over Earth, visible with the naked eye, has made it one of the most well-known celestial bodies. And ever since the first astronomers ...

Our planet has been rotating at its fastest since records began in 1973. Earth will complete a full rotation in slightly less ...

Miraculously appearing at public auction for the first time ever is perhaps the Holy Grail of all "Star Wars" collectibles in the form of Darth Vader's screen-matched hero lightsaber prop wielded by ...

New observations from the James Webb Space Telescope (JWST) are painting a new picture of Jupiter's moon Europa and revealing the hidden chemistry of the icy moon's interior.