High in the Arctic, a cluster of new findings from Greenland is forcing scientists to redraw some of the most basic diagrams about how Earth works. From the deep past of the planet’s magnetic shield ...

Scientific discovery rarely arrives in a single, dramatic moment. It usually emerges through careful experiments, revised equations, unexpected field observations, and years of incremental progress.

More than 250 million years ago, life on Earth faced its most devastating crisis — a global event so severe that it wiped out nearly three-quarters of life on land and an even larger share in the ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...

Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes ...