Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets in the Milky Way alone, don’t you think we should have found something by ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home planet.

Earth is home to some truly unbelievable life forms. From transparent animals and deep-sea nightmares to creatures with blue blood, multiple hearts, and bizarre body shapes, evolution has produced ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer them a somewhat risky buffet. There is liquid water, as well as salts, ...