"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a ...

Most communities have some practice of burning something to release or purify the spirit. This holiday season discover your tradition or create a new one.

For a quarter century, cosmologists have treated dark energy as a fixed, featureless pressure that steadily drives galaxies ...

A flaring black hole whips up ultra-fast winds of more than 37,000 miles per SECOND, reveals new research. X-ray space ...

By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

For centuries, Europeans thought that eternal daylight saturated the cosmos. The shift to a dark universe has had a profound ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...