Latest about Solar System
Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19: Here's what you need to know
The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close.
Finding the point of no return: Sun's shifting, spiky atmospheric boundary mapped in detail for 1st time
Scientists have created the first detailed maps of the sun's atmospheric boundary, where solar material breaks free and streams into space.
Good news for lunar bases? Earth's atmosphere leaks all the way out to the moon
Anomalous amounts of volatile elements found in the Apollo samples brought back from the moon have been traced back to our own planet's leaky atmosphere.
Why interstellar comet 3I/ATLAS' close Earth approach is an early Christmas gift for astronomers
When 3I/ATLAS is closest to the Earth on Dec. 19, all the features that we are looking for will be easier to detect with our telescopes.
Asteroid belt — What it is, where it is and how it formed
Reference Most asteroids orbit between Mars and Jupiter in the main asteroid belt. But some space rocks stray out of the main belt and threaten Earth.
What is the moon phase today? Lunar phases 2025
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.
A spider-like scar haunts Jupiter's moon Europa — and scientists think they know why
A strange, spider-like scar on Jupiter's icy moon Europa may mark where salty water once surged up through its fractured crust.
Scientists map of old Mars river basins for the 1st time. These could be great places to search for ancient life
"We did the simplest thing that could be done — we just mapped them and pieced them together."
