Astronomers discover a star in Andromeda that may have collapsed into a black hole instead of exploding as a supernova.

On February 15, 2013, a small asteroid exploded over the city of Chelyabinsk, Russia. [‘On This Day in Space’ Video Series on ...

An international research team, including Kishalay De from the Massachusetts Institute of Technology (MIT), discovered ...

This unexpected reappearance has prompted a joint investigation by police forces from both states. The incident follows a devastating blast at an illegal rat-hole mine that claimed many lives.

I asked my friend Julie Ménard how Earth formed. She’s a planetary scientist at Washington State University. She told me it started with the Big Bang. That was nearly 14 billion years ago. “The Big ...

In the shadow of the first nuclear explosion in 1945, engineers on both sides of the Cold War raced to create tanks that could survive and even harness atomic power. America’s Chrysler TV-8 and the ...

The formation of a black hole can be quite a violent event, with a massive dying star blowing up and some of its remnants collapsing to form an exceptionally dense object with gravity so ​strong not ...

Beijing has been accused of conducting secret nuclear explosion tests and attempting to disguise its violation of a global prohibition treaty.

A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...

A senior official from the State Department presented new seismic data to bolster the accusation that Beijing may have ...

Supernova 1987A appeared in the far-southern constellation of Doradus (the Swordfish), in which the Large Magellanic Cloud is ...

Astronomers have witnessed a rare cosmic event: a massive star that didn’t explode in a spectacular supernova, but instead ...