Solar System
Explore Solar System
Latest about Solar System

You won't see interstellar comet 3I/ATLAS zoom closest to the sun on Oct. 30 — but these spacecraft will
By Keith Cooper published
The interstellar comet 3I/ATLAS will make its closest pass to the sun on Oct. 30, and various spacecraft will be watching, seeking clues about the icy wanderer's chemistry and composition.

On this day in space! Oct. 29, 1991: Galileo spacecraft flies by asteroid Gaspra
By Hanneke Weitering last updated
On Oct. 29, 1991, the Galileo spacecraft flew by the asteroid Gaspra on its way to Jupiter.

Sun's far side erupts in satellite image | Space photo of the day for Oct. 29, 2025
By Kenna Hughes-Castleberry published
A massive coronal mass ejection erupted from the sun's far side late on Oct. 21, 2025 and was captured by a NOAA coronagraph.

Can we find water ice on the moon? Only if we know where to look, scientists say
By Leonard David published
Space agencies around the world are planning moon missions that will depend on water ice for resources, but much remains unknown about its availability of water ice on the lunar surface.

What is the moon phase today? Lunar phases 2025
By Tariq Malik, Daisy Dobrijevic last updated
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

NASA spots a spooky face glowing on the sun just in time for Halloween (photo)
By Daisy Dobrijevic published
A haunting grin appeared on the sun as bright active regions and dark coronal holes combined to create a jack-o'-lantern face just in time for Halloween.

12-year-old discovers 2 possible new asteroids
By Elizabeth Howell published
Siddharth Patel has been watching the sky since the age of five. Fresh off two possible asteroid discoveries, he's taking a big step toward his astronaut dream.

How AI and sand dunes on Mars can reveal the planet's history, one grain at a time
By Samantha Mathewson published
An innovative technique for measuring the force acting on individual grains of sand could help scientists uncover how winds have shaped the surface of Mars.
Breaking space news, the latest updates on rocket launches, skywatching events and more!


