The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

Follow along as USA TODAY tracks signings and trades that take place at the start of NHL free agency July 1: ...

Christian Encarnacion-Strand hit his first career grand slam during a five-run seventh inning and the Cincinnati Reds rallied to beat the Boston Red Sox 8-4 on Wednesday night.

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” supernova, where an initial helium blast on the star’s surface triggers a ...

Roughly 30 minutes before first pitch on Wednesday night, Christian Encarnacion-Strand’s name wasn’t on the Reds’ lineup card ...