CHARLOTTE, N.C. — A marine creature that resembles the alien E.T. has been found growing in a prehistoric area of eastern Pacific seafloor rock. The “E.T. sponge” has been classified as a new species ...

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

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 ...

More than 2,500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway is one of the areas that is particularly at risk.

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 ...