Second only to black holes, neutron stars – incredibly dense star remnants – are the densest objects in the universe. When ...

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they ...

An Air Canada jet carrying more than 70 passengers collided with a fire truck while landing at New York’s LaGuardia Airport late Sunday, killing the pilot and copilot and injuring several others, ...

Fifteen migrants died after their boat collided with a Greek coast guard vessel, capsized and sank off the island of Chios in the Aegean Sea late on Tuesday, the coast guard said, in one of the ...