The spectrum looked almost empty. That was the clue. In the faint light from a red giant star called SDSS J0715-7334, ...

A brief X-ray flash caught by a Chinese-European space telescope has led astronomers to identify what may be an entirely new ...

Visible to the naked eye in the constellation Cassiopeia, the star γ Cas has puzzled astrophysicists for half a century. It ...

Astronomers are uncovering previously hidden structures within some of the universe’s largest objects, known as galaxy ...

Visible without a telescope, γ Cassiopeiae has stood out for decades because it behaves unlike an ordinary massive star. Its ...

Also, France’s president voices European frustration with the U.S. leader. Here’s the latest at the end of Thursday.

Something is hiding inside Kepler-51d, and it’s doing a remarkably good job of it. About 2,615 light-years away in the ...

A star you can see with the naked eye has kept astronomers guessing for decades with its unusually powerful X-rays. Now, ...

Studying and designing novel materials is a central application of quantum mechanics. Chemists, materials scientists, and ...

When I was an intelligence officer, we had a saying about looking for "bad guys" in terrorist networks: "Don't look for your ...

For decades, astronomers have been puzzled by strange “zebra stripe” patterns in radio waves from the Crab Pulsar — bright bands separated by complete darkness. Now, new research suggests the answer ...

Neutrino astronomy has emerged as a pillar of high-energy astrophysics following the discovery of a diffuse astrophysical neutrino flux by IceCube. The ...