"For the last 20 years, people believed that the cosmological constant is positive, and the universe will expand forever," Tye says. "The new data seem to indicate that the cosmological constant is ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

Researchers propose that hydrogen gas from the early Universe emitted detectable radio waves influenced by dark matter.

A team of astronomers have found a mysterious object in the distant universe that could be dark matter or an inactive smaller ...

From our small blue planet to the farthest reaches of the observable cosmos, this breathtaking journey explores the true ...

Astronomers have discovered what may be the brightest object in the universe, a quasar with a black hole at its heart growing so fast that it swallows the equivalent of a sun a day. The ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. CREDIT: ESA/Hubble & NASA, L. C. Ho, D. Thilker. Get ...