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

Robert May, a famed ecologist, posed a hypothetical question to the scientific community 15 years ago - if an alien spaceship landed on Earth, one of the first questions they would likely ask would be ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Even as some scientists search for ...

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

Even as some scientists search for signs of life beyond Earth, other researchers have been discovering new species on our own humble planet faster than ever before. From high up in the mountains to ...