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

Earth's core contains nine to 45 times more hydrogen than the planet's oceans do, according to a new study that could settle a debate about when and how hydrogen was delivered to Earth.

From the outside, Earth doesn't seem to have a lot going on in the hydrogen department… but that doesn't mean it's completely ...

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 ...

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with ...

Earth’s magnetic field can linger in a weakened, unstable state for tens of thousands of years before fully flipping.

The first false-color image from ESA's newly operational Biomass satellite shows off a unique perspective of the rainforests, ...

The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

Astronomers have detected an exoplanet candidate around a Sun-like star just 146 light-years away from us.