SpaceX's mission to launch the first astronauts into polar orbit is quickly approaching.

The spacecraft, about the size of a small car, conducted a series of experiments. It drilled three feet into the lunar soil, took X-ray images of the magnetic bubble that surrounds and protects Earth ...

The Station is also being prepared for a crew handover in April on the Russian Segment and an imminent departure of a cargo ...

A pod of bottlenose dolphins seemingly took interest in the capsule that dropped out of the sky, circling and surfacing as ...