We asked retired astronauts about their favorite space movies, and this is what they shared with us Enormous freshwater reservoir discovered off the East Coast may be 20,000 years old and big enough ...

For years, the debate around autonomous systems has centered on scale: how many miles have been driven, how much data has been collected and how quickly models are improving. By that measure, progress ...

China's Lunar New Year travel rush is world's biggest annual migration Hundreds of millions of people criss-cross China during Lunar New Year holidays each year to reunite with families in their ...