"They're so rare, and they're incredibly useful scientifically," said Conor O'Riordan of the Max Planck Institute for Astrophysics.

Astronomers have discovered a massive, double-lobed radio jet stretching 200,000 light-years from a quasar that existed when ...

Beauty Of Tarantula Nebula This nebula in the Large Magellanic Cloud is one of the most active star-forming regions, filled ...

Scientists have found a rare “Einstein ring” near Earth – stumbling on it almost by accident. The rare phenomenon was spotted ...

A POWERFUL telescope floating in space has discovered an extremely rare Einstein ring of light around a nearby galaxy. The ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

Our modern era of space observation and exploration deepens our connection with the universe—and with each other. When NASA ...

You can get a closeup of the hair in Yak Face's ears, marvel at a life-sized landspeeder and dress up as your favorite "Star ...

One photographer put the age of starlight into perspective with stunning projections on some of Earth's oldest rock ...

NASA is preparing to launch its latest space observatory, SPHEREx (Spectro-Photometer for the History of the Universe, Epoch ...