The world’s oldest known cave art shows how early humans crossed oceans, offering rare insight into ancient migration routes.

Scientists say they have found geochemical traces of Earth’s ancient self hidden far below our feet, suggesting that parts of the planet that existed before the Moon-forming collision 4.5 billion ...

Columnist Natalie Wolchover checks in with particle physicists more than a decade after the field entered a profound crisis.

Radon gas, an invisible health threat that can build up in your home, is putting more Canadians at risk of deadly lung cancer ...

Ask people how Stonehenge was built and you’ll hear stories of sledges, ropes, boats and sheer human determination to haul stones from across Britain to Salisbury Plain, in south-west England. Others ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...