Astronomers have uncovered the long-hidden cause behind Betelgeuse’s strange behavior: a small companion star carving a visible wake through the giant’s vast atmosphere. Using nearly eight years of ...

Every clear evening this winter, I've only had to part the living room window curtain to see Jupiter staring back. Head of ...

Astronomers working with the Hubble Space Telescope have identified an entirely new type of cosmic object. It is a cloud rich ...

Current theories suggest that dark matter — the mysterious substance that’s believed not to emit, absorb, or reflect light — ...

The Hubble Space Telescope has long been a cornerstone of our understanding of the universe, unveiling awe-inspiring images ...

Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to know about Cloud-9.

Astronomers using NASA’s Hubble Space Telescope have spotted something never seen before: a giant cloud of gas and dark ...

A NASA team using the Hubble Space Telescope found an object in space never recorded before, nicknamed “Cloud-9." ...

The wolf moon is spectacular enough, but look east and you’ll see a celestial titan the size of a pinprick ...

On social media, reports poured in from Huntsville, Madison, Gurley, New Hope, Triana, and East Limestone County, as people ...

Dark energy may be the most mysterious substance ever proposed, but many scientists are certain it exists. Why?

Space is full of weird but wonderful things, from unusual rocks on Mars that don’t actually belong there to hidden structures ...