The James Webb telescope's search for habitable exoplanets is getting a big boost from its new star-watching companion, ...

At a time when American space exploration was dominated by men, mathematician Katherine Johnson broke through gender and racial barriers to help change our understanding of the cosmos forever. Untold ...

On January 28, 1986, the Space Shuttle Challenger launched into unusually cold conditions. Engineers had raised concerns about rubber seals failing in low temperatures, but the launch proceeded anyway ...

WASHINGTON — Nassau County Executive Bruce Blakeman’s emergence as the likely Republican nominee for governor will complicate the Long Island congressional reelection bids of swing-district Democrats ...

WASHINGTON — For the first time ever, astronomers have confirmed the existence of a "failed galaxy," a massive, starless cloud of gas and dark matter that never became a galaxy at all, according to ...

They may not be home for Christmas, but astronauts in space are finding their own way to make the season bright. They've even hung their space stockings by the airlock with care. Four astronauts on ...