As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

Even when Earth was locked in its most extreme deep freeze, the planet’s climate may not have been as silent and still as ...

An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has mostly been here since the beginning ...

NASA has selected two Earth science missions for development, one focused on studying the atmosphere and the other on terrestrial ecosystems and ice.

Researchers studying the deep biosphere, Earth’s largest ecosystem, have found evidence that life thriving miles below the ...

They're all around us: sensors and satellites, radars and drones. These tools form vast remote sensing networks that collect ...

Geoscientists say Earth will be home to one massive supercontinent about 200 million years from now; there are four prominent versions of this mega-continent. The climate might be surprisingly balmy ...

I've read that the planned crewed Mars missions will take six months or two years to arrive. Which is it? Could a longer trip ...

Science journalist Rebecca Boyle has an intergenerational connection with the moon. Her grandfather Pfc. John J. Corcoran was involved in the 1943 Battle of Tarawa on the namesake atoll in the Pacific ...