Keeping Mars free from Earth life is one of the most important rules in space exploration. If microbes from our planet were ...

From spectacular devastation to the all-too-human drama wrought by climate change, these movies and television series depicting global warming - or cooling! - have been chosen by THR staffers for ...

The planet is almost 25,000 miles around and 4.54 billion years old, and humans are still discovering some of the amazing ...

What if life on other planets doesn’t breathe oxygen at all? Scientists are beginning to rethink one of the biggest ...