Outer Space
Where Will the New Horizons Probe Go After Pluto?
The historic flyby may be over, but the spacecraft should still go on to study even smaller bodies on its path through the Kuiper belt
New Horizons Probe Reveals That Pluto is Bigger Than Expected
But so far it still won’t be considered a "planet"
This Pac-Man Spacecraft Will Devour a Satellite
Swiss researchers are designing a tiny satellite to eat their defunct cube satellite and clean up space junk
How Bacteria Make This Underground, Awe-Inspiring Cave Shine Gold
These underground tubes at Lava Beds National Monument include sparkling gold ceilings that even NASA wants to study
Where Should Humans Land on Mars? NASA Wants to Hear Your Suggestions
In October, the agency will hear proposals on where to put a Mars base
Seven Surprises From the First Flybys of Each Planet in the Solar System
As the New Horizons probe approaches Pluto, find out what wonders were uncovered by the first spacecraft to zip past other worlds
Venus (Probably) Has Active Volcanoes
And they’re (probably) erupting!
Comet Lander Philae Wakes Up From Nap
"Are you there, Rosetta? It's me Philae"
Saturn’s Rings Extend Farther Than Thought — Nearly 4 Million Miles From the Planet
The outermost ring is dark and dusty
A "Mangrove Forest" of Magnetism May Help Heat the Sun's Corona
New simulations might explain why the sun's atmosphere is bizarrely millions of degrees hotter than its surface
Weird Orbital Behaviors Offer Clues to the Origins of Pluto's Moons
Solving the mystery of these satellites could help astronomers understand "Tatooine" exoplanets that orbit binary stars
Does Planet Earth Need Its Own Flag?
Some think we need a universal flag to stake our claim in space
See a Bubbly Nebula, an Artistic Earth and Other Spacey Treats
A celebratory star nest and a painterly view of home feature among our picks for this week's best space pictures
These Instruments Will Help NASA Figure Out If Life Can Thrive on Europa
The space agency has announced the suite of experiments that will fly on a mission to the icy moon of Jupiter
Found: A Galaxy That Shines With the Light of Over 300 Trillion Suns
A very hungry black hole at the center of WISE J224607.57-052635.0 emits an incredible amount of light
One Man's Lifelong Pursuit of Pluto is About to Get Real
When the New Horizons spacecraft races by the quasi-planetary body, Alan Stern will have finally met his match
A Mysterious Space Plane Will Launch This Week
Though much of the X-37B's mission is top secret, details are emerging about experiments that will go into orbit with the unmanned craft
Dark Globs, a Salty Moon and More of This Week's Stellar Wonders
Mysterious star clusters and Europa in a can feature in our picks for this week's best space images
Made by College Seniors, These Seven Products Give Us a Glimpse Into the Future
Engineering students at universities across the country took these projects from sketch to reality in one year
Rare Quartet of Quasars Found in the Early Universe
The quirky set of extremely bright black holes challenges theories for how the cosmos reached its current structure
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