Since the early 20th century, scientists have gathered compelling evidence that the universe is expanding at an accelerating ...

Astronomers have traced the hidden fingerprints of dark matter by observing rare, glowing galaxies that lived in the early universe. A group of scientists led by Rutgers University has found new ...

Dark energy, which drives the accelerated expansion of the Universe, is assumed to be constant since the Universe began by ...

A surprising new study reveals that the first stars appeared in a pre-heated universe, challenging earlier ideas about early cosmic conditions.

The universe is a slow-changing place. While it's mostly true that the heavens and the deep-sky objects in it will look ...

The most exciting yet controversial possibility traces back to a theory proposed by British physicist Stephen Hawking in 1971: that black holes originated from the primordial soup of the Big Bang. If ...

One of the first chemical reactions thought to have occurred in the universe has long posed a conundrum, as it seemed the ...

A new project is collecting thousands of messages destined for the cosmos, coinciding with the anniversary of a landmark ...