In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding?

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding.

About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say ...

The Trump Administration quietly revealed it has futuristic technologies that literally bend time during a speech on 'the golden age of American innovation.' ...

A team of researchers from King’s College London, Harvard University, UC Berkeley, and others may have taken a major step ...

NASA’s Lucy spacecraft is set to fly by the asteroid Donaldjohanson on April 20 in a key rehearsal for its primary mission to ...

The detection of dark matter, the elusive type of matter predicted to make up most of the universe's mass, is a long-standing ...

How new dark matter could solve mystery about Milky Way - Telescopes have detected a mysterious glow of gamma rays ...

Published today in Nature, scientists at King’s College London, Harvard University, UC Berkley and others have shared the ...

NASA and SpaceX are targeting no earlier than 4:15 a.m. EDT on Monday, April 21, for the next launch to deliver scientific ...

Euclid's first data release offers a breathtaking glimpse into our universe, revealing over 26 million galaxies and ...

A n intriguing new study suggests that the universe may rotate once every 500 billion years. If correct, the authors believe that it could explain one of the most annoying puzzles in astronomic ...