Astronomers have found the roundest object in the universe
The star, Kepler 11145123, is the closest celestial body to a perfect sphere we've ever observed.
President Obama calls for a plan to deal with extreme space weather
The risk is more real than you might think.
Astronomers scan for disappearing stars
They're hopeful that this will be a hint of intelligent alien life, but it could also offer insight into quasars.
Listen to the sounds of the Milky Way galaxy's oldest stars
Scientists have created 'music' from the oscillations of stars 13 billion years old.
Unique white dwarf will help clarify what happens to dying stars
With an atmosphere made of oxygen, it's the first of its kind. And a mystery.
Hubble shows some of the galaxy's biggest, brightest stars
Some are so intense that they'll go supernova within a few million years.
ICYMI: 3D-printed telescope, bird drone and more
An open-source, 3D-printed telescope is being offered by the Open Space Agency so that hobbyists of all stripes can easily share their discoveries. The BionicBird drone flies by legit flapping its wings and our own jabberjays to torment Katniss cannot be far behind.
Here's your clearest view yet of star formation in the early universe
Spotting anything at the edge of the known universe is difficult, but scientists have just managed...
The Big Picture: Hubble peeks at the Milky Way's densest star cluster
Some parts of space are a little more crowded than others. The Arches Cluster, located 25,000 ligh...