space

Journalist and author Emily Carney talks about her book which she co-authored, "Star Bound: A Beginner's Guide to the American Space Program, from Goddard's Rockets to Goldilocks Planets and Everything in Between".

Journalist and author Emily Carney talks about her book which she co-authored, "Star Bound: A Beginner's Guide to the American Space Program, from Goddard's Rockets to Goldilocks Planets and Everything in Between".

Early Monday morning, six planets will appear to align in the sky, and some could be visible with the naked eye.

Some scientists say the comet last visited the Earth around 50,000 years ago.

Marking the latest step in the commercialization of space, the SpaceX mission has launched four civilians, including a billionaire CEO, a physician assistant and a geoscientist.

The two countries' space agencies say the proposal, which sets no time frame, could include an orbiting station, a base on the surface, or both.