See the Evolution of SpaceX's Rockets in Pictures

The private spaceflight company SpaceX has become a powerhouse of reusable rockets and new crewed spaceships. See the evolution of the company's Falcon rocket family and future spaceships for astronauts in pictures here.

Ancient, Exiled Asteroid Discovered Beyond Neptune

Astronomers have spotted a carbon-rich asteroid in the icy region beyond Neptune called the Kuiper Belt — the first such asteroid ever found to be exiled from the inner solar system.

Humans to Mars Summit 2018 Launches This Week: Watch It Live

NASA's newly appointed administrator, Jim Bridenstine, will make a major speech at the Humans to Mars summit in Washington, DC, which takes place today (May 8) through Thursday (May 10). Watch the entire webcast live here at