What does it take to officially name an exoplanet? Follow the journey of selecting the perfect alien world, understanding how ...

Billions of years ago, Mars may have had oceans, rivers, lakes, volcanoes, and even conditions suitable for primitive life.

How a forty-year-old satire of fascism became a meme for Trump, a flashpoint over women in sci-fi, and—for some fans—an ...

Researchers found this material on the meteorite, which entered Earth's atmosphere moving faster than the speed of sound.

Scientists say the findings of the new study may make future searches for extraterrestrial intelligence faster and more ...

Astronomers found a helium atmosphere around a rocky exoplanet — a good sign for the search for life outside the solar system ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

From alien tyrants to superpowered crime lords, the 2000s saw a new breed of evil arise to contend with Marvel’s greatest ...

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

The Apple TV series wraps noir inside science fiction. With subtlety and charm, Farrell plays an earnest alien just doing his ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security risks posed by UFOs ...