Gamma-ray bursts (GRBs) may be the most powerful explosions in the entire universe, but they can sometimes go completely unnoticed. Despite being able to release as much energy in seconds as the Sun ...

(CNN) — For the first time, astronomers say they have spotted a giant explosion released by a star beyond our solar system. The eruption was similar in some ways to those unleashed by our sun, such as ...

An active region on the Sun, AR1515, has been putting on quite a show over the last 8 days, sending out all sorts of solar flares. Scientists were sure the huge sunspot was building up to produce an X ...

SpaceX/Starlink has confirmed that one of its satellites suffered a major hardware failure in orbit, resulting in the release of debris and a total loss of communications with the vehicle. The errant ...

New evidence suggests that a comet explosion over North America may have triggered a massive wave of destruction nearly 13,000 years ago, killing off mammoths and mastodons and wiping out one of the ...

A revisit to the historic Trinity nuclear test reveals how the world's first atomic explosion in 1945 created a rare radioactive mineral called trinitite.