Gravity feels reliable—stable and consistent enough to count on. But reality is far stranger than our intuition. In truth, the strength of gravity varies over Earth's surface. And it is weakest ...
Tiny zircon crystals are revealing that Earth’s earliest history may have included surprisingly complex tectonic activity.
The U.S. government is backing the company to produce materials crucial to America's security and interests.
The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.
New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier than believed.
Scientists have long debated whether most of Earth's vital liquid was delivered via icy comets or was homemade ...
An instantaneous cessation of Earth's rotation would result in catastrophic, planet-wide devastation due to the inertia of objects on the surface moving at high speeds (approximately 1000 mph at the ...
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