Solar System

The top news about what's going on in the cosmic neighborhood—from planet nine to the sun, and everything in between.

Latest in Solar System

a moon, poop emoji, plant emoji

NASA wastewater system will turn human poop into plant food

By Mack DeGeurin

An X-ray image of NWA 12774. Credit: Aaron Bell/CU Boulder

Rare meteorite proves our solar system almost had an extra planet

a full moon against a black and slightly blue sky

Look up for a blue moon on May 31

By Laura Baisas

Artist’s rendering of a MoonFall drone operating near the lunar South Pole.

Four drones will go where no astronaut have landed—yet

By Laura Baisas

the sun aligned with new york city's grid. it is shining above a main street in between buildings

Manhattanhenge isn’t just for New Yorkers. Find a ‘henge’ near you.

By Laura Baisas

a metal rover on sand

New Mars rover could swim through sand like a desert lizard

By Mack DeGeurin

Crescent outline of Mars taken by Psyche spacecraft

Mars shines in ethereal photo from Psyche space probe

Artist's impression showing the Sun blasting matter towards Earth. Around Earth is a magnetic field, with a bright patch pointing towards the Sun, curved around Earth like a shield. Looking down on the process is the Smile spacecraft. It's view of the X-rays emitted at the edge of Earth's magnetic field is highlighted

SMILE spacecraft will use X-ray vision to study the northern lights and more

Perseverance Mars rover selfie photo with Martian landscape behind it

Mars rover snaps a selfie near skyscraper-sized boulders

Picture of a spaceman

‘Mars’ is 2025’s most popular planet baby name

By Annie Colbert

Black and white photo of Curiosity rover's robotic arm drill lifting a stone off the ground on Mars.

For 6 days, NASA’s Mars rover battled a rock

two meteors falling in a starry sky over mountains

May skygazing: A blue moon, fading comet, and a lot of meteors

Close up of lunar surface photographed by Artemis II crew

NASA needs your help spotting meteors hitting the moon

Images of two solar flares observed by NASA on April 23-24, 2026.

The sun just fired off two massive solar flares

Illustration of comet in space with a close up of its H2O atomic content showing an extra neutron

Fastest comet ever recorded spewed 70 Olympic pools’ worth of water daily

NASA's Curiosity Mars rover took this selfie at a location nicknamed "Mary Anning" after a 19th century English paleontologist. This was the site of the chemical experiment uncovering diverse organic molecules on Mars, in the Glen Torridon region, which scientists believe was a site where ancient conditions would have been favorable to supporting life, if it ever was present.

Curiosity finds molecules needed for ancient life on Mars

the earth is setting behind the moon

New Artemis II astronaut iPhone video reveals new Earthset view

By Laura Baisas

Video screenshot of simulated hydrocarbon ocean on Titan. The waves are very pronounced

Saturn’s largest moon could see 10-foot waves from a tiny breeze

a recovery crew opening up a space capsule int he ocean

Watch a recovery crew open Integrity’s hatch for Artemis II astronauts

By Laura Baisas

Multiple Sriracha bottles photoshopped floating above the lunar landscape during earthrise

The 5 hot sauces aboard Artemis II are kinda weak