Latest about Solar System
Interstellar comet 3I/ATLAS likely formed where its star's light couldn't touch it
"Every one of these objects we study helps us understand a little more about how planets form around other stars."
No cities on the moon — there isn't enough water, scientists say (op-ed)
The discovery of water in dark craters at the moon's poles has sparked a "moon rush" to establish bases there, and then villages, cities and heavy industry. How sustainable is this rush?
Is there a hidden 'Planet 9' in our solar system?
For more than a century, astronomers have been captivated by the idea that an undiscovered planet could be lurking in the furthest reaches of our solar system.
What is the moon phase today? Lunar phases 2026
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2026.
NASA, IBM launch new AI model for studying the moon
NASA and IBM have developed an AI model to help sift through the mountains of data the agency has gathered about the moon.
The sun may once have swallowed a super-Earth planet and could still be hiding the evidence
The sun may have swallowed a super-Earth planet in its early history, and our star may still be hiding the evidence, new research suggests.
Wavy alien dune fields stretch across Mars | Space photo of the day for Sept. 11, 2026
A dune field on Mars, as seen by the Mars Reconnaissance Orbiter.
Mercury is shrinking faster than we thought. What's going on inside of it?
Wrinkles on the surface of Mercury have revealed that the closest planet to the sun is shrinking faster than scientists thought.
