Humanity has dreamed of conquering space since time immemorial, but it wasn't until the 20th century that this became an actual possibility. Once the Space Race was in full throttle, scientists began ...

They came from outer space: 75 mice, over 1,500 flies, cell cultures, microorganisms, plant seeds and more. A Russian biological research satellite toting more than 30 experiments landed on Sept. 19 ...

Paul M. Sutter shares the science behind movies and TV shows set in space. He talks about string theory in "3 Body Problem." He discusses the portrayal of black holes in "Interstellar," starring ...