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A Radioactive Sea of Magma Hides Under the Surface of Mars

NASA Will Send More Helicopters to Mars

NASA’s Marsquake Mission Is Nearing Its End

Moon Cube Mystery: Chinese Rover Finds It’s Just a Rock

When Kilauea Erupted, a New Volcanic Playbook Was Written

Ancient Footprints Push Back Date of Human Arrival in the Americas

The Rock That Ended the Dinosaurs Was Much More Than a Dino Killer

NASA’s Perseverance Rover Stashes First Mars Rock Sample

On Mars, NASA’s Perseverance Rover Drilled the Rocks It Came For

Saturn’s Rings Are Like a Seismometer That Reveal the Planet’s Core

These Could Be the Oldest Animal Fossils Ever Found, or Just Squiggles

50 Years Ago, NASA Put a Car on the Moon

Peering Under Vermeers Without Peeling Off the Paint

The Hills Are Alive With the Flows of Physics

Venus Lacks Plate Tectonics. But It Has Something Much More Quirky.

Why Geology Is Our Destiny

A Mysterious Crater’s Age May Add Clues to the Dinosaur Extinction

Venus Will Have a Fleet of Spacecraft as Europe Adds Orbiter Mission

These Rocks Made a 1,000-Mile Trek. Did Dinosaurs Carry Them?

The Water on Mars Vanished. This Might Be Where It Went.