Six planets will align in February as part of a rare planetary parade. Find out how and when you can see the event.

Six planets will align in February as part of a rare planetary parade. Find out how and when you can see the event.

US sanctions and a deep economic crisis have for years made it impossible for the government to buy enough fuel ...

It's a plug-in, or plug-and-play, briefcase-sized unit that hooks into a standard wall outlet. From there, it maintains a steady charge from the grid or solar panels to provide days of automatic power ...

Isabelle Dupraz, deputy director of the European Initiative for Energy Security, said cyber assaults were “Russia’s bread and ...

Carl Grillmair, a renowned Caltech scientist who discovered water on a distant planet, was fatally shot at his Los Angeles-area home. Authorities arrested a suspect in connection with the killing.

Arnie said, "Get your a* to Mars", but is it really a good idea? We asked the experts about our Martian future.