Abiotic chemistry in Earth’s atmosphere could have generated biologically important organosulfur molecules as life was ...

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

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

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

Ancient Chinese astronomers observed a solar eclipse in 709 BCE with remarkable detail. These old records are now helping ...

If it were to melt completely, the vast West Antarctic Ice Sheet (WAIS) holds enough ice to raise the global sea levels by 4 ...

Slow orbital changes caused pulses in Earth's oxygen cycle 500 million years ago, which spurred explosions of animal life.

"Some of our ancestors were very skilled observers." A team of international researchers say they've uncovered new data on ...

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 ...

For decades, helium has been produced with natural gas, generating huge carbon emissions. Now, geologists are looking for new ...

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