Researchers have found that Earth’s first oceans may not have been blue at all like today. Instead, they may have gleamed in ...

But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...

New research suggests “microlightning” exchanges among water droplets in Earth’s early atmosphere may have sparked the building blocks of life.

The Saya de Malha Bank is one of the world’s largest seagrass fields and the planet’s most important carbon sinks. It faces incalculable risks that threaten the future of humanity.

Scientists have discovered evidence that Earth's oceans were once green, hinting that this could be a marker of early life, ...

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

Wondering what there is to love about Jupiter? The Jovian giant has many reasons that are worthy of your affection, whether ...

Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in North America and the third-largest in the ...

Deep underground, some caves on Earth are hiding a glowing secret—one that could help scientists understand how life might ...

A 30-meter sediment core from Belize's Great Blue Hole reveals 5,700 years of hurricane history, showing a sharp rise in ...

The site was chosen for its altitude, placing the telescope above as much atmospheric disturbance as possible. The air has a ...

Deep below Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the ...