The cosmic event horizon marks the limit where light can reach us, and as space expands, most galaxies will eventually ...

The New Jersey Sports and Exposition Authority's William D. McDowell Observatory is a hidden gem in Lyndhurst.

When astronomers say our universe is expanding, they’re not saying stars, planets or galaxies change size — what’s growing is ...

Astronomers spotted the largest flare ever released from a supermassive black hole as it snacked on a giant star.

Astronomers may have misread cosmic acceleration for 27 years. The universe may be slowing down, not speeding up.

Portuguese researchers predict that Europe's future space observatory will detect hundreds of thousands of supermassive black ...

Using CERN’s Super Proton Synchrotron, researchers generated plasma fireballs to simulate blazar jets. The beams stayed ...

“If confirmed, this would have profound implications for the fate of the universe,” said The Guardian. The study raises the ...

A handful of extremely massive stars, each heavier than 1,000 Suns, may have sculpted the chemistry of the oldest star ...

Observations show the disk of our galaxy is not flat but warped and waving. Astronomers are still working out the reasons why ...

Most Americans are unaware of just how empty the promises have been to keep bad actors from slipping in and ensure that those permitted to live and work in the U.S. are thoroughly vetted.

A new study by astronomers from South Korea's Yonsei University has shown that the expansion of the universe, contrary to ...