The search for intelligent alien life goes far beyond listening for simple radio signals. This documentary explores how ...

Alas, it’s not a study-abroad course – yet – but exoplanets may provide insight into how life formed on Earth.

Some of the most common planets in our galaxy may be hiding far more water than scientists can currently detect—even with the ...

The odds of there being another intelligent life form in the Milky Way are pretty good given the billions of stars. But we ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

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 ...

A nearby 'super‑Earth' just 25 light years from our solar system has been recategorised as a lighter, likely rocky world ...

A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed ...

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

Researchers probe the geochemistry of the moon, Mars, asteroids, and water worlds to understand our home and plan for future ...

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

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