What can a piece of debris from another star tell astronomers about planets they may never see directly? The answer has changed dramatically since the first confirmed object from another star crossed ...

The mysterious interstellar object traveling through our solar system has been spotted acting like no other comet ever seen before, revealing its alien origins. Scientists from Michigan State ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: ALMA (ESO/NAOJ/NRAO ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

AMES, Iowa – Using data from NASA’s Kepler space telescope, an international team of astronomers has discovered a distant planetary system featuring multiple planets orbiting at a severe tilt to their ...