Perseverance rover found a rock on Mars named Phippsaksla with so much iron and nickel that it could be a meteorite.

A single metallic boulder sitting in an ancient Martian riverbed is forcing scientists to rethink what they thought they knew about the Red Planet. The rock, an apparent interplanetary visitor, is not ...

What was the recent scare? It was from a football field–size asteroid designated 2024 YR4. Detected in December by a telescope in Chile, the space rock was flagged for its size—it’s 130 to 300 feet ...

Apart from the sun, its planets and their moons, our solar system has vast amounts of space rocks—fragments left over from the formation of the inner planets. A large concentration of asteroids forms ...

John Ventre holds up a slice of a partially translucent meteorite from his collection at the Cincinnati Observatory. Space is dirty. Filthy. It's littered with asteroids, and rocks, and dust. Some of ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

A meteor streaks across the sky and burns up in a flash. Sometimes, a small piece survives the journey through Earth’s atmosphere and lands as a meteorite. Scientists have studied these fallen rocks ...

“The Hunt for Space Rocks” chronicles JPLs pioneering work to understand asteroids and comets as part of NASA’s larger effort to protect our planet from cosmic marauders. From JPL’s effort to mount a ...