Some insects look more like aliens than they do insects. One example is a grasshopper that is able to survive by not looking ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

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".

The most beloved beings from strange new worlds.

These researchers captured photos that wouldn’t look out of place in an art gallery and used them to confirm new species of comb jellies never recorded in Colombia before.