Star Trek can usually make rubber forehead aliens not just cool, but turn them into pop culture icons. Their five worst ...

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

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.

Forget Hollywood: aliens should look as different to us as we do to bananas, saysdeGrasse Tyson ...

One of the greatest scientific discoveries in history may be hidden beneath nearly 13,000 feet of Antarctic ice. Deep below ...

Here’s something you didn’t know. Clark’s nutcracker, a clever North American bird, can store over 33,000 pine seeds in 2500 ...

Originally published in the January 1970 issue of National Geographic. In remote African highlands, a daring American woman ...

Are aliens real? Was Fox Mulder right all along? We examine the prediction markets to gauge if the U.S. government will confirm that aliens exist before January 2029. The prediction market on a U.S.

In M. John Harrison’s​ short story ‘The Crisis’, first published in 2017, the world has been invaded by aliens that look like ...