Learn what you should do if you live near an active volcano and how to stay safe before and after an eruption.

A four-person crew will spend three to five days aboard a SpaceX capsule orbiting above the poles of Earth — a flight path ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

With climate change, a high sense of self-efficacy strengthens a person’s willingness to reduce carbon emissions (mitigation) and prepare for climate-related disasters (adaptation). Studies confirm ...

The NASA astronauts splashed down on Tuesday in a SpaceX capsule after problems with a Boeing vehicle set in motion a ...