Solar System
A Disc of Icy Material, not Planet 9, Might Explain the Strange Movements in the Outer Solar System
Is there or isn't there a Planet 9? Is there a planet way out on the outskirts of our Solar…
Cassini Saw Rain Falling at Titan’s North Pole
The Cassini mission to Saturn ended in September 2017, but the data it gathered during its 13 year mission is…
Titan’s Thick Clouds Obscure our View, but Cassini Took these Images in Infrared, Showing the Moon’s Surface Features
Saturn's moon Titan is a very strange place. It's surrounded by a dense, opaque atmosphere, the only moon in the…
Something Twice the Size of Earth Slammed into Uranus and Knocked it Over on its Side
Astronomers think they know how Uranus got flipped onto its side. According to detailed computer simulations, a body about twice…
A Nuclear-Powered Tunneling Robot that Could Search for Life on Europa
The search for life has led astronomers to the icy moons in our Solar System. Among those moons, Europa has…
Just discovered! “Farout”, the Farthest Object Ever Seen in the Solar System
Astronomers have discovered a distant body that's more than 100 times farther from the Sun than Earth is. Its provisional…
OSIRIS-REx Has Already Found Water on Bennu
NASA's OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer) has found water on the asteroid Bennu. Bennu is OSIRIS-REx's only…
Europe’s Vision of a Future Moon Base. Made out of Moon Dust.
We all know that the time is past due for a Moon base. But the cost of sending everything needed…
It’s Decided, the Mars 2020 Rover Will Land in Jezero Crater
Jezero crater is the landing spot for NASA's upcoming 2020 rover. The crater is a rich geological site, and the…
Strange Grooves on Phobos Were Caused by Boulders Rolling Around on its Surface
Back in the 1970s, NASA's Mariner and Viking Missions were sent out to explore other planets in our Solar System.…