Solar dust could be influencing how the corona shines.

Geologists studying some of the planet's oldest volcanic rocks have uncovered new evidence that water was playing a major ...

Earth receives about 7 percent less light during aphelion than during its closest approach to our star, yet the average ...

Our planet isn't a perfect sphere but an oblate spheroid, bulging at the Equator due to rotation. This subtle flattening, though unnoticeable daily, significantly impacts GPS, climate studies, and ...

A surprising reversal in molten iron flow beneath the Pacific is giving scientists a sharper view of how Earth’s magnetic ...

The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

Earth’s aphelion on July 6 puts it farthest from the sun in 2026, but summer heat comes from Earth’s tilt, long days and ...

Every time I see the moon in the sky, it makes me happy. The big picture of the moon’s origin is fairly well established.

Every time I see the moon in the sky, it makes me happy. Our natural satellite is so familiar it’s easy to take it for ...

Nearly 660 kilometers (410 miles) beneath Earth's surface lies one of the planet's most important internal boundaries. Known ...

If the Earth had an edge, it might look something like this, the edge of a flat Earth. A vast frozen wall at the horizon, ...

A star passed near Earth and the Sun and jostled objects in the Oort Cloud 2.5 million years ago, sending them on a journey towards us. They are all long-period comets, meaning most of them would ...