Earth is home to some truly unbelievable life forms. From transparent animals and deep-sea nightmares to creatures with blue ...

Scientists have discovered an 'alien' material inside a massive crater on Earth, sparking new questions about how life may ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.