Donna Hare's decades-old claim that NASA airbrushed UFOs from photos resurfaces, sparking renewed interest and debate despite ...

A NASA whistleblower claimed that the space agency knowingly covered up proof of alien life captured in everyday photos.

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

When people ask what the “most Fourth of July movie ever made” is, there’s usually one obvious answer: “Independence Day. ” The movie literally ends with aliens getting punched in the face by humanity ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Sometimes the most extraordinary places hide in plain sight, and the Dee Wright Observatory near Blue River proves that ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

In "Project Hail Mary", the sun is dying and Earth is facing an ice age. The last hope rests on a teacher who is sent on a space mission and gets unexpected help.

The main focus of the trip is to study the effects of long-term spaceflight on the body, but the test is also a side mission.