Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

The Chocolate Hills are 1,776 mounds on Bohol Island in the Philippines where grassy cover turns brown during the dry season.

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

Is Greenland a land of rare earth riches? The Indicator tells the story of an Australian geologist who learned the great cost ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...

Here's why the astronauts have brushed up on lunar geology, even though they won't land.

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.

Evidence from fossil shells suggests that falling seawater calcium helped lock away carbon dioxide and helped cool Earth after the dinosaurs.

President Donald Trump has once again raised the prospect of the United States taking ...