Long before telescopes and space travel, ancient civilizations had incredibly creative ideas about what the universe looked ...

The six-year results from the Dark Energy Survey highlight unresolved tensions in standard cosmological theory ...

Now physicists from the University of Washington are taking a big swing at answering that question. All matter exerts gravitational force. The more mass the object has, the greater the force. Yet, a ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Whether the universe will "end" at all is not certain ...

WASHINGTON, Jan 30 (Reuters) - Observations by NASA's James Webb Space Telescope and Chandra X-ray Observatory are providing ...

MoM-z14, the farthest known galaxy, offers a glimpse into the early universe as it existed just 280 million years after the Big Bang, with its light having traveled over 13 billion years to reach ...