Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

This ship was huge. It was like a city-sized ship. And there was hundreds of beings on board,” said Debbie Solaris, a ...

In 2017 astronomers detected an unusual object entering our Solar System from interstellar space. Named ‘Oumuamua, it displayed strange behavior that puzzled scientists: a long cigar-like shape, ...

We’ve long assumed the legendary pilot sank to the bottom oft he Pacific. But a forensic experiment points to a much darker possibility.

There were schools of thought in Ancient Greece that speculated about extraterrestrial life, in trying to answer questions ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

How did life emerge on Earth? We don’t fully know yet, but ongoing research continues to shed light on this mystery. A significant breakthrough might ...

President Trump directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that ...

President Donald Trump announced that he is releasing government files on alien life after Barack Obama said aliens are real.

Last week's drop marks a signficant decline in unemployment claims since they jumped to 232,000 at the end of January.

Add Yahoo as a preferred source to see more of our stories on Google. Former President Barack Obama says aliens are real, but a famous conspiracy theory about them is wrong. Obama spoke about ...

For nearly five decades, Steven Spielberg has helped define what alien stories mean to movie audiences. Sometimes they arrive as cosmic miracles. Sometimes as existential threats. Sometimes as ...