Neptune's Smallest Moon Finally Has a Name: Hippocamp [Updated]
Introducing Hippocamp—the smallest of Neptune’s seven inner moons. The recently discovered moon likely formed from a…
Astronomers Just Discovered 'Farout,' the Most Distant Known Object in the Solar System
A team of astronomers has discovered the most extreme trans-Neptunian object in the outer reaches of the Solar System.…
Study Finds Weird Interstellar Object 'Oumuamua Is Indeed a Smol Boi
Scientists have learned more about ‘Oumuamua, the hunk of matter that is the first known interstellar object to ever be…
Japan's Hayabusa2 Spacecraft Successfully Deploys Landers to Asteroid Ryugu's Surface
Two landers from the Japan Aerospace Exploration Agency (JAXA) have successfully touched down on the Ryugu asteroid…
Watch NASA Launch Its Sun-Skimming Parker Solar Probe
The Parker Solar Probe blasted off from Cape Canaveral Air Force Station in Florida on Sunday, setting itself on course…
These New Maps of Pluto and Its Moon Charon Are the Most Detailed Yet
By meticulously stitching together photos taken from two cameras aboard the New Horizons spacecraft, a team of…
Fox News: Either Planet X Will Kill Us All on April 23rd or the Rapture Can Happen Any Time, Take Your Pick
Silly fringe theories about Planet X—an imagined planet typically named Nibiru that is on course to hit or pass by…
We Might Need to Redefine 'Planet' Again
You may think you know what a planet is, but celestial bodies often refuse to fully comply with our artificial human…
Escape This Wretched Earth With Google's Sweet New Solar System Maps
If you, like me, are tired of this world—these people—tired of being caught in the tangle of their lives, Google now…
Whoa, Scientists Have Detected a Ring Around This Wacky Dwarf Planet
Beyond Neptune sits one of the stranger dwarf planets, Haumea. This icy rock receives its flattened dinosaur egg shape…
Earth's Explosive History Explains Its Strange Chemical Make-Up
If you made a building out of bricks and cinderblocks, then hundreds of years later you’d expect it to still be, well,…
Unintended Experiment Tracks a Solar Eruption to the Outer Reaches of the Solar System
On October 14, 2014, our Sun let out a great big burp, a coronal mass ejection that swept through the Solar System at…
This Backwards-Orbiting Asteroid Has Been Flirting With Death For a Million Years
Most asteroids orbit the Sun in a counterclockwise fashion, but a newly-discovered object nicknamed Bee-Zed goes…
These Are the First Glorious Images From Cassini's Ring-Grazing Orbits
Last week, the Cassini spacecraft began a series of dramatic, “ring-grazing orbits” that will see it fly high over…
Our Sun’s Quirky Tilt Means Planet Nine Might Actually Exist
New research links the odd and unexplained six-degree tilt of our Sun to an undiscovered planet in the outer reaches of…
The Solar System Is Always Visible at Night With These Planetary String Lights
A stellar view of the night sky, including all of our celestial neighbors, is dependent on countless factors like light…
What Was the Rosetta Mission?
After two years of science, the European Space Agency’s Rosetta mission ended today in a gentle crash-landing. But if…
We've Never Seen The Solar Wind Like This Before
Like an endless blaze roaring forth from the gates of hell, the solar wind is majestic, awe inspiring, and terrifying.…
A Giant Comet Was Just Obliterated by the Sun
Reminding us of our own fragile mortality, a large, bright comet just streaked across the sky and straight into our…
Io's Atmosphere Just Collapsed
Reason number 9,000 not to colonize Jupiter’s moon Io: not only is it a frigid hellscape covered in eruptive ice…