Planetary Science | Astronomy.com

Robotic Spaceflight, Solar System

BepiColombo nabs its best views yet of Mercury

Robotic Spaceflight

NASA decision on Mars Sample Return reboot slides to 2026

The middle-aged Moon had a magnetic field

Earth’s gravity gave the Moon an early facelift

Low-level clouds play surprise role in global warming

Venus may never have had oceans

Uranus, imaged by Voyager 2

Uranus may not have a weird magnetic field after all

An illustration of NASA's Europa Clipper spacecraft above the surface of Europa and in front of Jupiter

Robotic Spaceflight, Solar System, Space Exploration

NASA’s Europa Clipper sets sail for Jupiter

Robotic Spaceflight, Solar System

Nuclear bombs really could deflect asteroids, lab tests suggest

Science, Solar System

India’s lunar rover found remnants of the Moon’s ancient global magma ocean

An artist's conception of the young Earth being bombarded by asteroids. Scientists think these impacts could have delivered significant amounts of organic matter and water to Earth. Credit: NASA.

Alien Life, Science, Solar System

Evidence grows that meteorites, comets could have brought essentials of life to early Earth

Jupiter's moon Io

Jupiter’s moon Io has likely been active for our solar system’s entire history