Latest about Solar System
Astronomers want to change how we define a planet — again
Astronomers are proposing a new, more quantitative definition of what makes a planet. The new definition looks more directly at the object's mass — but it would still leave Pluto out of the running.
'Dark comets' may be a much bigger threat to Earth than we thought, new study warns
A strange class of space rock known as a "dark comet" has qualities of both asteroids and comets — and the hard-to-spot objects may pose a larger threat to Earth than we thought, according to new research.
What would happen if a black hole wandered into our solar system?
Black holes aren't "cosmic vacuum cleaners," but what would happen if one wandered into our solar system?
'Space potato' spotted by NASA Mars satellite is actually something much cooler
The starchy-looking moon Phobos, destined to crash into Mars' surface, has been revealed in new detail by NASA's Mars Reconnaissance Orbiter. The 'space potato' image was recently shared on NASA's Instagram.
Is Jupiter's Great Red Spot an impostor? Giant storm may not be the original one discovered 350 years ago
Astronomer Giovanni Cassini observed Jupiter's 'Permanent Spot' in 1665, but new research suggests it's a different vortex from today's Great Red Spot.
50 interesting facts about Earth
Reference We've collected some of the most interesting and amazing facts about Earth
8 strange objects that could be hiding in the outer solar system
The outer solar system is a vast and mysterious place that could be harboring hidden objects we know almost nothing about — from the elusive Planet Nine and baby black holes to interstellar visitors and "planet killer" asteroids.
James Webb telescope reveals 'cataclysmic' asteroid collision in nearby star system
The James Webb Space Telescope has caught a snapshot of two massive asteroids colliding in a nearby star system — and it could teach us about how common solar systems like our own are.
