Ask people how Stonehenge was built and you'll hear stories of sledges, ropes, boats and sheer human determination to haul ...

When Neanderthals in Italy were crossing the Alps, it's likely they took refuge in high-altitude bear caves. A new study of ...

From household robots to reusable rockets, a new wave of breakthrough inventions is redefining what humans can do in space ...

From a distance, it looks like a serene blue twin of our own world, a dot that could almost pass for Earth in a telescope ...

Some sci-fi movies get even better with time, offering mind-blowing spectacle or new storytelling layers with each rewatch.