Study finds Mars helps pace Earth's ice ages through gravity. Remove Mars, and a major 2.4-million-year climate rhythm ...

Particles from Earth’s atmosphere have been carried into space by solar wind and landing on the moon for billions of years, mixing into the lunar soil, according to a new study.

Scientists used satellite data to confirm that Earth's crust is "dripping" into the mantle beneath Turkey's Central Anatolian ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

This video explains how motion, inertia, and Earth’s rotation affect a jump inside an aircraft, and why you land in the same spot rather than being left behind.

Earth’s slow axial wobbles—known as precession cycles—do not just shape long-term climate trends. A new study led by ...

At the start of the year, Earth will quietly reach a milestone in its orbit around the sun. Known as perihelion, this is the moment when our planet is closer to the sun than at any other point in the ...

Memorizing seven continents feels settled, like learning the alphabet. A new study argues the ground rules are less tidy.

After an unidentified astronaut suffered a medical issue, NASA made the call to return Crew-11 early from the ISS. Here's ...

What would really happen if the Earth stopped spinning? This documentary explores the catastrophic effects, from extreme ...