The nature of dark matter has puzzled astronomers since discovering that 85% of the universe's matter is invisible through ...

Astronomers have taken the first close-up image of a star beyond our galaxy, and it’s a “monster star” surrounded by a cocoon ...

When stars explode as supernovas, they can cause serious cosmic carnage. Is Earth in any danger from any nearby stars?

There are strange "zebra" patterns coming from the Crab Nebula, and the reason has to do with plasma refraction.

An international team of researchers has made new observations of an unusual supernova, finding the most metal-poor stellar ...

The most powerful cosmic-ray electrons and positrons ever detected slamming into Earth's atmosphere carry energies so high ...

Researchers believe that observing gamma rays from a supernova could confirm the existence of axions, potentially solving the ...

A supernova close enough to Earth could strip the ozone layer and cause mass extinction, but no immediate threat exists.

Discover the explosive end of a star's life—supernovas. Learn what causes these cosmic events and their impact with ...

Betelgeuse’s future supernova won’t harm Earth, but close cosmic explosions could strip our ozone, risking life. Gamma-ray ...