HALO Arctic research flight at an altitude of 13 kilometers over Svalbard on March 4, 2025 (photo: Thomas Gulde, KIT) The ...

New research suggests that powerful star explosions, called supernovae, may have caused at least two mass extinctions in ...

Some of the most massive and influential stars in the universe are OB stars. These blue giants, many times more massive than ...

A supernova — the explosive death of a massive star — can leave behind a black hole or neutron star. These cosmic blasts are element factories, spreading carbon, calcium, and iron across space, ...

"Ban him for life from Mexico [for] disrespecting wildlife." Viewers horrified by 'disgusting' video of tourist harassing ...