The Hubble Space Telescope turns 36 this year. And to celebrate, it released an incredible new image of the Trifid Nebula ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration shows a CT scan of the universe with "slices" of the cosmos as it evolves. | ...

By studying galaxy clusters separated by hundreds of millions of light-years, Penn physicist Patricio Gallardo and ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. (Left) An image of the sky ...

For decades, astronomers were certain that half of the ordinary matter in the universe — protons and neutrons, the building blocks of everything we see — had simply gone unaccounted for. The cosmic ...

Dive into 25 cosmic mysteries science can't explain, from dark matter to dark energy. Explore the universe's most baffling ...

The Orionids meteor shower is known for bright streaks. It's one of the top meteor showers of the year. We've again been gifted with the cosmic light show of the Orionids meteor shower, which started ...

Scientists experimentally confirmed what we’ve known to be true for half a century—darkness can “travel” faster than light.