Learn about two major asteroid impacts from 3.5 million years ago that may not have had lasting environmental effects.

When the moon is positioned farther from Earth's equator and closer to the poles, its pull on the planet becomes weaker. With ...

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

But with atomic clocks tracking the Earth’s rotational speed so closely that once every year and a half or so, the ...

As Earth spins faster than it has in decades, atomic clocks are catching the difference, and shorter days are on the horizon.

July 9 was unusually short thanks to changes in how fast the Earth is spinning. But two other days this summer are expected ...

The Defense Department is buying $400 million of stock in rare-earth mining company MP Materials as it seeks to boost ...

Normally, younger rocks are deposited above older ones, forming predictable geologic layers. In the North Sea, this process ...

The Defense Department on Thursday became the largest shareholder in MP Materials, which owns the only rare earth mine in the ...

The European Parliament condemned China on Thursday over its export restrictions on rare earths and insisted the European ...

Astronomers claim to have found new evidence supporting a controversial observation that our galaxy is residing in an ...