No one knows why the river of liquid iron flowing 1,400 miles beneath our feet just reversed course.

Two plane-sized asteroids and another house-sized one will zip past the Earth today, and more are expected later in the week.

For decades, scientists have known that Earth’s magnetic field helps migratory birds and homing pigeons navigate. Just how ...

Earth was mostly devoid of oxygen for much of its 4.5 billion year lifetime. That is, until certain processes started to ...

"The large-scale flow reversal beneath the Pacific raises new questions about the behavior of Earth's deep interior," ...

Pigeons and other birds can do it. So can sea turtles and spiny lobsters, moths and mole rats, gray whales and big brown bats. Many members of the animal kingdom can detect the subtle undulations of ...

An asteroid named 2026JH2 will swing by Earth on Monday, passing four times closer than our distance to the moon.

Scientists have created a global “treasure map” for rare earth elements by uncovering where the strange volcanic rocks that ...

Earth is expected to spin more quickly in the coming weeks, making some of our days unusually short. On July 9, July 22 and Aug. 5, the position of the moon is expected to affect Earth's rotation so ...

Rare earth supply chain defense gets its first Western Hemisphere answer: REalloys and Canada’s Saskatchewan Research Council ...