From our tiny blue planet to the edge of the observable universe, this video takes you on a breathtaking journey of scale. We ...

NASA's IMAP mission will give Earthlings a sort of early warning system when solar weather may affect satellites and global communications ...

The idea was that high-powered lasers would propel tiny probes to 20 percent of the speed of light, impelling them with ...

If you think you’ve found a meteorite, there are a few crucial steps to take: Note the location. Use your phone or a GPS ...

About 40 light-years away, orbiting a dim, cool red star called Trappist-1 are seven planets. One of them, scientists have ...

One day last spring, Brad Wardell found himself in suburban Baltimore for some meetings when he joked about videoconferencing ...