Planetary Science
- Planetary Science
A new look at the ‘mineral kingdom’ may transform how we search for life
A new census of Earth’s crystal past hints that life may have begun earlier than expected, and could be a tool to look for water and life elsewhere.
- Earth
50 years ago, a new theory of Earth’s core began solidifying
In 1972, scientists proposed that Earth’s core formed as the planet came together. Fifty years later, that theory is generally accepted, though many mysteries about the core remain.
- Astronomy
New Gaia data paint the most detailed picture yet of the Milky Way
Gaia’s new data can tell us about galaxies the Milky Way has swallowed, the young solar system and asteroids that could hit Earth.
- Planetary Science
Samples of the asteroid Ryugu are scientists’ purest pieces of the solar system
Samples Hayabusa2 brought to Earth from asteroid Ryugu are far fresher than similar types of meteorites that scientists have found.
- Planetary Science
Ice at the moon’s poles might have come from ancient volcanoes
Volcanic eruptions billions of years ago probably released enough water vapor to have deposited ice at the lunar poles, a study finds.
- Plants
These are the first plants grown in moon dirt
The first attempt to grow plants in Apollo samples from the moon shows the promise and potential struggles of farming in lunar soil.
- Planetary Science
NASA’s InSight lander has recorded the largest Marsquake yet
The magnitude 5 temblor, detected May 4, will help scientists learn more about the Red Planet’s interior.
- Planetary Science
Lava and frost may form the mysterious lumps on Jupiter’s moon Io
Jets of gas released when hot meets cold on the volcanic moon Io could generate sprawling fields of dunes, a study finds.
- Planetary Science
U.S. planetary scientists want to explore Uranus and Enceladus next
A report on recommendations for the next 10 years of U.S. planetary science prioritizes sending an orbiter to Uranus and an “orbilander” to Enceladus.
- Planetary Science
Europa may have much more shallow liquid water than scientists thought
Mysterious pairs of ridges scar Jupiter’s moon Europa. Analyzing a similar set in Greenland suggests shallow water is behind the features’ formation.
- Planetary Science
Here’s how NASA’s Ingenuity helicopter has spent 1 year on Mars
The first flying robot on the Red Planet arrived as a technology demonstration. It’s now a trusty scout for its rover partner, Perseverance.
- Planetary Science
This is the biggest known comet in our solar system
The nucleus of comet Bernardinelli-Bernstein is about 120 kilometers across — about twice the width of Rhode Island — and is darker than coal.
