Latest about Solar System
A 'captured' alien planet may be hiding at the edge of our solar system — and it's not 'Planet X'
The cold and mysterious Oort cloud at the edge of our solar system may be hiding a rogue exoplanet, new research suggests.
Earth may have debris from alien star systems trapped in its orbit, new research suggests
A new study questions if our planet could capture rocky and icy visitors from outside the solar system — and how scientists could spot them.
Raging 'polar vortex' discovered over Uranus' north pole for 1st time
A polar cyclone is swirling on Uranus, further showing that the planet's atmosphere is a hive of hidden activity.
James Webb telescope spots ancient water frozen in a near-Earth comet — and scientists want to collect it
A new analysis of a comet in the asteroid belt reveals frozen water from the early solar system, hinting at the origins of water on Earth.
Scientists discover secret 'symmetries' that protect Earth from the chaos of space
A new analysis of chaos in the solar system reveals how planetary collisions are avoided over billions of years.
Sun's fiery surface revealed in amazing composite of 90,000 images
Astrophotographers have created an incredible image of the sun by piecing together thousands of photographs.
Alien mothership lurking in our solar system could be watching us with tiny probes, Pentagon official suggests
A draft paper by a Harvard scientist and the head of the Pentagon’s UFO office has raised the idea an alien mothership could be in the solar system, sending out tiny probes dubbed "dandelion seeds" to explore the planets within.
'Oumuamua isn't an alien spaceship — it's a rock that's farting hydrogen, new study suggests
The release of hydrogen from within 'Oumuamua may explain some of the interstellar object's strange behavior.
