Theoretical Planet Nine may be our solar system's Rogue One

Astronomers are close to proving that a rogue planet really did break into our solar system. 

Photons in space: the struggle is real

Photon emissions in young galaxies may help us understand how visible light surfaced in the early Milky Way.

Rare red nova cosmic event could be visible to Earthlings in 2022

This awesome celestial event will be witnessed by the naked eye in only a few years.

This planet-eating sun puts the Death Star to shame

Darth has nothing on HIP68468, which actually ate at least one of its planets.

Your PC may have just found a rare pulsar system.

It may seem far-out, but data-searching program Einstein@Home has found something even astronomers don’t see every day.

That’s no moon. That’s a supermoon
Nov 13, 2016

Look, up in the sky! It’s a bird. It’s a plane. It’s … supermoon.

That frozen volcano on Ceres isn’t hibernating
Sep 21, 2016

Ahuna Mons is the extraterrestrial answer to Kilauea—except it breathes ice instead of fire.

This protostar could tell us how stars grow up in space
Sep 20, 2016

Astronomers just found a star in its preteen phase, and it’s kind of a big deal.

These photos may hold the answers to the universe's beginnings
Jul 23, 2016

We could learn about our cosmic origins from oxygen found in a galaxy that formed billions of years before the Big Bang.

The Antikythera mechanism is officially the oldest computer ever
Jun 23, 2016

… and we’re finally able to back that up with science. 

Scientists just found the biggest supermassive black hole ever
Jun 26, 2015

Black holes are massive things. Supermassive black holes, found at the center of most spiral galaxies, are packed with hundreds of millions (if not billions) of times the mass of a star, yet they fit in relatively small spaces. The point is, they've all got lots of mass, but astronomers just found one that makes every other black hole ever seen look small.