The Planetary Geology Department studies the solid surfaces of planets, moons, and small bodies in the solar system. Geological mapping as well as morphological and spectral analyses provide a record ...

Jupiter’s volcanic moon Io has been erupting for billions of years Jupiter’s volcanic moon Io has been erupting for billions of years Did Pluto ever actually stop being a planet? Experts ...

The study of planetary geology focuses on understanding the composition, structure, and processes that shape celestial bodies. Ceres and Vesta, two prominent bodies in the asteroid belt ...

The space agency's planetary science analysis groups must pause while NASA checks if they comply with Trump's orders.

Last year, a study led by planetary scientist Richard Cartwright at the Johns Hopkins Applied Physics Laboratory (APL) in ...

Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.

Without a magnetic field, the Moon’s surface is exposed to solar wind. These could have been depositing resources like water and potential rocket fuel on the Moon’s surface for billions of years.