The universe is vast, ancient, and mostly silent. For decades, scientists have pointed their telescopes toward distant stars, ...

Add Yahoo as a preferred source to see more of our stories on Google. The fossilized tail bones of an Ichthyosaurus, around 190 million years old and weighing 800 kilograms. - Markus Scholz/picture ...

An ancient culture achieved unimaginable architectural feats 12,000 years ago only to completely abandon their sprawling temple complexes. These forgotten builders erected imposing monuments and ...

When astrobiologist Adam Frank walked into the office of NASA scientist Gavin Schmidt, he had what he believed was the weirdest question: do aliens experience climate change? It took just moments for ...