Starring in one of the most prolific TV shows in the world that spanned seven seasons and multiple movies, it could be hard ...

Astronomers have revised the mass of nearby exoplanet GJ 3378 b, recasting it as a rocky super‑Earth in the habitable zone ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

NASA's Curiosity rover was built for a 2-year Mars mission. Nearly 14 years later, it is still making history in Gale Crater.

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Director Steven Spielberg claimed aliens have already visited planet Earth – and now scientists said he may be on the money, ...

Researchers at Cornell University’s Carl Sagan Institute have screened more than 6,000 known exoplanets and identified 45 ...

Astronomers found nearby exoplanet GJ 3378b may be more Earth-like than thought, strengthening its chances of supporting life ...

Deep beneath the oceans' crashing waves lies a hidden landscape more alien than many of us could ever dream. Below the ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...