First celebrated in 1970, Earth Day on April 22 honors our planet and peace. The Earth has inspired filmmakers to depict ...

And everything we know so far.

Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

Initially observed in 1970, Earth Day, which takes place on April 22, pays tribute to our planet and the concept of peace.

In an Ipsos poll conducted last week just after the launch of Artemis II, US adults say, 62% to 34%, that the benefits of ...

If the government confirms nonhuman intelligence, psychological research offers clues about the range of ways humans might respond.

FILE - A patron passes a painting inside the International UFO Museum and Research Center in Roswell, N.M., on June 10, 1997. FILE - Model ships hang at the entrance to the Star Trek Experience at the ...

For generations, human beings have wondered: What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us? It’s a question that can produce some, well ...

This creature doesn’t think the way we do—because it doesn’t have just one brain. With 9 brains and 3 hearts, it can process information across its entire body, even controlling each arm independently ...

Jeff Bridges earned his first Best Actor Oscar nod for starring in this under-appreciated sci-fi film directed by John ...

From water hunting on the Moon to the closest planet to the Sun ...

CNN has apologized after accidentally publishing an article and video designed to "remember the life" of Back to the Future ...