A nuclear winter is a theoretical concept, but if the climate scenario expected to follow a large-scale nuclear war, in which smoke and soot from firestorms block sunlight, came to fruition, global ...

Cosmic “touchdown airbursts” — explosions of comets or asteroids above Earth’s surface — may be far more common and ...

(PhysOrg.com) -- An unusual supernova rediscovered in seven-year-old data may be the first example of a new type of exploding star, possibly from a binary star system where helium flows from one white ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. This image made ...

An overnight asteroid explosion over Arizona lit up the sky so brightly that it appeared as if it were daylight for a short time. Videos show the sky temporarily illuminated by a blast of light just ...

Thanks to observations using the Very Large Telescope (VLT) of the European Southern Observatory (ESO), astronomers have managed to capture one of the shortest phases of a supernova's life — the ...

Using the James Webb Space Telescope (JWST), an international team led by Northwestern University has for the first time detected the source of a supernova, known as its predecessor, in mid-infrared ...

Houston, Texas-based meteorologist Matt Lanza tweeted a radar image that appeared to show the explosion after Wednesday's six-minute flight test. While SpaceX successfully completed a test flight of a ...