More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

Thousands of alien species could invade the Arctic, warns a new study. Warmer temperatures and more tourists make it easier ...

Thousands of alien species could invade the Arctic, warns a new study. Warmer temperatures and more tourists make it easier ...

New cobra lily species Arisaema siahaense discovered in Siaha district, Mizoram by Botanical Survey of India researchers.

The animal lovers at Maymo follow a dog watching aliens parachute down, tilting its head in surprise while curiosity and chaos collide.

The Rock Pool Project in Plymouth says the non-native sea hare looks "alien-like".

For more than six decades, astronomers have listened for possible signals from extraterrestrial civilisations, with no confirmed detection to date. A .

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

President's quick-fire-round answer has led to a flurry of comments.

"Hopefully it was able to re-anchor itself." Beachgoer shares footage of bizarre, translucent creature discovered on shore: ...