Solar System
NASA Turns Off One of Voyager 2's Science Instruments
The two Voyager spacecraft have been speeding through space since 1977, powered by decaying chunks of plutonium that produce less…
More Bodies Discovered in the Outer Solar System
The outer Solar System has been a treasure trove of discoveries in recent decades. Using ground-based telescopes, astronomers have identified…
A Stellar Flyby Jumbled Up the Outer Solar System
An ancient passerby may have visited the Sun and inadvertently helped shape the Solar System into what it is today.…
NASA's New Solar Sail Extends Its Booms and Sets Sail
Solar sails are an exciting way to travel through the Solar System because they get their propulsion from the Sun.…
DART Did More Than Deter Dimorphos; It Sent It Into a Chaotic Tumble
In 2022, NASA's DART (Double Asteroid Redirection Test) spacecraft collided with an object named Dimorphos. The objective was to test…
Comparing Two Proposed NASA Missions to Jupiter’s Moon Io
Thanks to NASA's Juno mission to the Jupiter system, we're getting our best looks ever at the gas giant's volcanic…
Mercury Could be Housing a Megafortune Worth of Diamonds!
Mercury, the closest planet to our Sun, is also one of the least understood in the Solar System. On the…
Where Did Venus's Water Go?
It should not be surprising that Venus is dry. It is famous for its hellish conditions, with dense sulphurous clouds,…
New Evidence for Our Solar System’s Ghost: Planet Nine
Does another undetected planet languish in our Solar System's distant reaches? Does it follow a distant orbit around the Sun…
The Giant Planets Migrated Between 60-100 Million Years After the Solar System Formed
Untangling what happened in our Solar System tens or hundreds of millions of years ago is challenging. Millions of objects…