Instead, scientists are looking into existing spacecraft already in orbit around other planets. Harvard Professor Avi Loeb ...

Avi Loeb suggested that NASA may have rushed to conclusions by ruling out the possibility of an artificial aircraft.

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of ...

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of ...

Ready to see a SpaceX Falcon 9 blast off into the sky? The first California rocket launch of August could take place this ...