Planetary Science | Page 3 of 7 | Astronomy.com

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

A volcano towers over its surroundings, the terrain shown in false-color yellows and oranges.

Science, Solar System

How Venus threw up on itself: This Week in Astronomy with Dave Eicher

Science, Solar System

The story of Percival Lowell: This Week in Astronomy with Dave Eicher

Robotic Spaceflight, Solar System

OSIRIS-REx delivers Bennu asteroid samples — and starts its next mission

Science, Solar System

Minerals, the building blocks of planets: This Week in Astronomy with Dave Eicher

The orange disk of the sun, darkened by smoke or clouds

Science, Solar System

Could massive sunshields in space stop global warming?

Science, Solar System

Donna Elbert’s work on planetary magnetic fields finally comes to light

The strange case of eyeball planets

Observing, Planets

Volcanic twilights

Why don’t Jupiter’s rings look like Saturn’s?

Robotic Spaceflight, Solar System

The Landsat Program: 50 years observing Earth’s surface