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NASA’s James Webb Space Telescope reveals new clues about a mysterious cosmic explosion that defies expectations.

ATLANTIC, Va. -- Crews searched for scorched wreckage along the Virginia coast Wednesday in hopes of figuring out why an unmanned commercial rocket exploded in a blow to NASA's strategy of using ...

A fleet of NASA missions has likely uncovered a collision between two ultradense stars in a tiny galaxy buried in a huge stream of gas. Astronomers have never seen this type of explosive event in an ...