Africa’s Great Migration sees millions of wildebeest and zebra thunder across the sun-bleached savannah, drawn by instinct to ...

NASA images reveal shallow ice beneath Mars’s surface, offering a promising water source for future astronauts and clues to ...

For years it’s been a barren salt flat. But now, due to floods hundreds of miles away, Australia’s Kati Thanda-Lake Eyre appears set to fill for only the fourth time in 160 years.