Explore the mist-covered tepuis of Guyana, where dense jungle meets the towering flat-topped summits of the Guiana Shield.

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...

When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

Earth sits in a harsh galaxy filled with high-energy particles that can strip atmospheres, scramble DNA, and sterilize worlds ...

Scientists found that a fungus called Escovopsis living in ant nests has a long and surprising history. New research shows a ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Life loves rivers. Here on Earth, large drainage basins cover nearly half of the land surface. On Mars, they cover only about ...

Sophisticated new chemical analysis of gases trapped in rocks for millions of years has cast new light on the origin of the ...

A Roman treasure hoard melted in a fire 1,800 years ago has been found in Histria, revealing jewelry, coins, and the life of ...

A team of researchers has discovered 16,600 footprints belonging to theropods — the dinosaur group that includes the ...

A stunning new discovery suggests sponges, and animals, existed 100 million years earlier than we ever imagined.

Regular, alternating layers in Gale Crater may have been deposited as the result of tides raised by a moon at least 18 times ...