Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

A spokesperson for NASA has issued a public statement following President Donald Trump’s announcement that he will direct his administration to release government files related to aliens and ...

It’s been revealed that Predator: Badlands originally featured appearances from key characters from the Predator and Alien franchises before being cut. In a recent interview, the film’s director, Dan ...

Landing on a new world is only the beginning of exploration. Once there, settlers and explorers must move people supplies and equipment across unfamiliar and often hostile terrain. In this episode we ...

An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European Space Agency, ...

Among the uncounted stars in the universe may be worlds with environments unlike anything we have ever experienced. From crushing gravity and toxic atmospheres to methane seas and eternal storms, ...

Add Yahoo as a preferred source to see more of our stories on Google. Ice on the Hudson River became visible from space during a late-January cold snap in New York City, where temperatures stayed ...

Former U.S. President Barack Obama said he did not see evidence that aliens "have made contact with us," after sending social media abuzz by saying aliens were real on a podcast over the ...

A truck driver arrested Wednesday for allegedly running a red light and causing a fatal crash in Indiana is an illegal alien from India, multiple federal law enforcement sources confirmed to Fox News.