"Earth" introduces young viewers to the planet where we live. In addition to discussing Earth's place in the solar system, this program explains the basics of Earth Science, including atmosphere, ...

A 4-billion-year-old volcano? New research finds that Io, the solar system’s most volcanically active moon, can brag just that. A recent study of Io’s sulfurous atmosphere suggests that Jupiter’s moon ...

Perhaps the greatest, mind-bending quirk of our universe is the inherent trouble with timekeeping: Seconds tick by ever so slightly faster atop a mountain than they do in the valleys of Earth. For ...

Jupiter’s moon Ganymede has salts and organic compounds on its icy surface that were probably splattered there after squirting up from a buried ocean 1. Ganymede, which is the largest moon in the ...

"Io represented a big mystery because its surface doesn't hold a record of its history the way that the surfaces of less active moons do." When you purchase through links on our site, we may earn an ...

Around 4 billion years ago, an asteroid hit the Jupiter moon Ganymede. Now, a researcher realized that the Solar System's biggest moon's axis has shifted as a result of the impact, which confirmed ...

Researchers have been focusing on the study of our solar system for centuries, looking at the physics, dynamics, as well as the composition of solar system bodies. Our solar system – which includes ...

This article is part of a special report on the total solar eclipse that will be visible from parts of the U.S., Mexico and Canada on April 8, 2024. On April 8, 2024, a broad swath of North ...

Imagine a tiny dusty moon, about one-seventh the size of our planet’s, with polygonal topographical features extending for hundreds of miles, and cliffs taller than any you’d find anywhere on Earth.

The original version of this story appeared in Quanta Magazine. For most of humankind’s existence, Earth was the only known ocean-draped world, seemingly unlike any other cosmic isle. But in 1979, ...

The great planetary instability coincides with the collision that formed Earth's moon — could the two events be linked? When you purchase through links on our site, we may earn an affiliate commission ...

The darker areas across Titan's equatorial regions represent its dunes, as taken by the Cassini rover. NASA / JPL / UNIVERSITY OF ARIZONA / UNIVERSITY OF IDAHO Saturn’s largest moon Titan has an ...