The plants outside your window carry a hidden geography. Many arrived from distant continents. A new global forecast shows that mix is about to shift, in ways few people notice until it takes hold.

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

Now, an international team of researchers reports in the journal Science Advances that a short time later, a more than ...

For instance, what if we really are being visited by aliens from other worlds and they turn out to be aggressive, violent, ...

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

We all hide from the truth, whether it’s to protect our own peace of mind, spare someone we love from pain, or keep our faith ...

From Project Hail Mary to Independence Day, Alien to Arrival, these alien movies are much better than Disclosure Day.

That little alien emoji staring back from your phone, with its smooth, bulbous head and almond-shaped black eyes, has ...

When Steven Spielberg announced Disclosure Day , many fans immediately saw it as another entry in the filmmaker's ...

The search for life beyond Earth has always been full of surprises. Strange radio signals have sparked excitement. Odd gases on distant worlds have raised questions. Even ordinary objects have been ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

You might think that legendary sci-fi author Arthur C. Clarke would've adored the Star Trek franchise, but that wasn't ...