What would they think of us? It’s a question that can produce some, well, uncomfortable answers if you happen to be an ...

Interest in unidentified aerial phenomena (UAPs) surged in February when Barack Obama stated aliens are "real," though he ...

Rep. Tim Burchett (R-Tenn.) said the American people would be “up at night worrying” if they knew what he’s been briefed on ...

The United States would become “unglued” if everyday Americans learned what the government has discovered about aliens — and ...

A new catalog of potentially habitable exoplanets provides the framework for future observations in the search for alien life ...

UFOs have intrigued people for decades, with sightings and investigations dating back to the first widely reported one in ...

The film has inspired online argument about many topics, but much of the debate has centered on the film’s science.

For years, the search for alien life has focused on Earth-like planets orbiting distant stars. But this episode explores a ...

The search for alien life no longer feels like a fringe idea or a distant fantasy. This video walks through the strongest ...

How would people react if an alien civilization actually made contact with us? Space.com talked to experts, who shared a ...

Astronomers have reportedly narrowed the search for extraterrestrial life to a focused list of 45 rocky exoplanets. Out of ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...