We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

"This is a major step toward understanding how galaxies like our Milky Way came to be." Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back ...

We know how the universe began. An event we call the Big Bang started it all about 13.8 billion years ago. How the universe ...

Astronomers have long thought the universe should look generally the same in every direction, but an anomaly in the radiation ...

If you wave your hand in front of your face, you won’t notice anything particularly interesting. Perhaps a gentle waft of air against your cheek – that’s about it. No epiphany. No major sign that ...

"This is a unique opportunity to learn how the universe's first light emerged from the darkness." Astronomers could use specific radio signals from the universe's earliest epoch to "weigh" the first ...

Dark matter pulls the universe and dark energy pushes, both mysteries that endure. And the discovery that a majority of the universe is made up of "stuff" that makes gravity push rather than pull was ...