uranus

Experts are optimistic about a mission to the ice giant, based on the conclusions of an influential report.

Scientists finally understand what's inside superionic ice.

The traumatic event may also have seeded the gas giant’s many moons.

It happened back in 1986—but it could happen again.

New research provides some clues about our solar system's most mysterious planet.

We're under a time crunch.

Meet the moon with 11 mile high cliff

From the Popular Science archives.

But the cold would kill you before the smell did.

Each and every planet—and one dwarf planet—in our solar system, represented with the single best image ever taken of it. Say hello to our neighbors.