A Mysterious Force is Acting on Saturn’s “Death Star” Moon
Tiny, cratered Mimas is wobbling way more than it should be, hinting that it might contain either an oddly shaped core or a subsurface ocean
This Weekend, Astronomers Get Their Best Ever Look at an Oort Cloud Object
Looking at the Oort cloud is like looking back in time—a superpower hampered by the fact that the Oort cloud is very, very, very, very far away
Exoplanet Has Winds That Blow at the Speed of Sound
WASP-43b wouldn’t be a great place to live
To Find Meteorites, Listen to the Legends of Australian Aborigines
Oral traditions may have preserved records of impacts over thousands of years and could lead to fresh scientific discoveries
This Is How the Milky Way Will End
A computer simulation shows how the Milky Way will collide with Andromeda
Water Vapor Found on Small, Cloudless, Hot Planet
NASA announced yesterday that water vapor had been detected on exoplanet HAT-P-11b
India’s Space Agency Made It to Mars on the First Try
India’s Mangalyaan orbiter dropped into orbit around Mars last night
Mars Just Got a New Robotic Explorer
NASA’s MAVEN orbiter dropped into orbit last night
What Is the Universe? Real Physics Has Some Mind-Bending Answers
Science says the universe could be a hologram, a computer program, a black hole or a bubble—and there are ways to check
This Is Where Rosetta’s Lander Will Touch Down
The Philae lander will touch down at “Site J” In November
Delay-Plagued Virgin Galactic Finds Itself Delayed, Again
It will be hard for Virgin Galactic to fly by 2015 without a fully tested rocket engine
Saturn Is Making (And Destroying) Mini-Moons All The Time
Saturn’s F ring is a little moon factory
Turns Out We Live in the Laniakea Galactic Supercluster
Add another line to your celestial address: Astronomers just found out we live in the Laniakea Galactic Supercluster
Contribute to an Asteroid Time Capsule
NASA wants to know what your predictions are for the future of Solar System exploration
The Surprisingly Complicated Reason Why Stars Look Like They Have Points
Stars are star-shaped because of imperfection in our eyes
Meet the Newly Approved Rocket That Will Take People To Mars
The approval of the Space Launch System is an important step for NASA
NASA Has Very Likely Captured the First Space Dust From Beyond Our Solar System
A handful of rocky particles could tell us about the birth of our Sun and its planets
Zero-G Fire Pulses Like a Jellyfish on the Space Station
Balls of fire burning in low gravity could help scientists create cleaner, more efficient engine fuels
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