"Jeopardy!" champions search for Daily Doubles and bounce between categories to maximize their totals and throw off their...

The star that some researchers think served as the north star for the ancient Egyptians is actually a pair of stars that eclipse one...

WATERHOLES, Australia -- The convoy of vehicles fleeing a raging inferno in the forest of southeastern Australia ferried a copious cargo: 11 koalas, 15 kangaroos, five chickens, two possums, two dogs and a lorikeet.Susan Pulis, who runs a wildlife shelter, had rallied her friends to pack the animals in blankets and baskets and take them to safety on the coast. One friend gutted her downstairs...

A troop of muscle-enhanced mice was among more than 3,500 pounds of experiments and equipment  that came back to Earth today when a robotic SpaceX Dragon cargo capsule splashed down in the Pacific Ocean at the end of a monthlong resupply mission to the International Space Station. Mighty Mice in Space is an experiment studying mice who have been bred to lack myostatin, a growth factor that...

The image suggests that the two black holes at the centers of the merging galaxies are far less massive than astronomers...

Christina Koch said the meteor shower was the first of the decade, and they were lucky enough to catch them at the same time as the northern...

NASA's Transiting Exoplanet Survey Satellite (TESS) has discovered another earth-sized, potentially habitable planet orbiting around a star in the range of distances where conditions could allow for the presence of liquid water on the planet's surface. Using NASA's Spitzer Space Telescope scientists confirmed the find, called TOI 700 d, according to a statement from NASA's Jet...

SpaceX sent a fresh batch of 60 Starlink broadband satellites into orbit tonight on a Falcon 9 rocket, executing a mission that aims to give the California-based company the world's biggest commercial satellite constellation. When added to the previous two 60-satellite launches, the Starlink tally comes to 180 satellites. Some of SpaceX's previously launched satellites are no longer in...