The asteroid 2024 YR4 probably won’t come nearly as close to Earth anytime soon as the space rock in this artist’s ...

Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.

NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth.

Scientists found an intriguing world in our galaxy. They confirmed the existence of a rocky planet, called a "super-Earth," that's some six times as massive as Earth. While the world HD 20794 d is ...

As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

Climate change is wreaking havoc across the globe ... pressures on the Earth’s water system are likely to increase as the climate crisis continues. One classic example is the Aral Sea. Once one of the ...