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
How Snow Keeps the World’s Most Powerful Space Telescope Squeaky Clean
CO2 snowflakes are being tested for use with Hubble’s successor
A Lopsided Supernova, Orbital Espresso and More Cosmic Wonders
An exploding star reveals its secrets and an astronaut takes a coffee break in this week’s best space pictures
Today The Messenger Spacecraft Will Crash Into Mercury
After years of exciting observations and stunning pictures of Mercury, the spacecraft has run out of fuel
The Time a Space Observatory Was Mistaken for a Second Moon
For 13 hours, the space observatory Gaia was misidentified as a natural satellite orbiting Earth
To Get Rid of Space Junk, Shoot It Down With Lasers
Proposals to send debris-targeting craft into orbit are piling up, and one mission may soon start test firing from the space station
The Hubble Space Telescope Has Been In Space for 25 Years, Here’s What it Has Seen
The telescope has sent back some real beauties
Personal Writings of Arthur C. Clarke Reveal the Evolution of “2001: A Space Odyssey”
Works donated from the author’s archives in Sri Lanka include letters to Kubrick and an early draft of his most famous novel
Extreme Makeover: ISS Edition
How to give the International Space Station a little bit more room
Behind the Scenes of the Last Mission to Repair the Hubble Space Telescope
Photographer Michael Soluri shares an intimate look at the team that saved the iconic observatory
Scientists Want to Use Lasers to Shoot Down Space Junk
The idea sounds farfetched, but it may be better than previous solutions
Dawn Spacecraft Sends First Color Images of Ceres
Red and blue tell the tale of a dwarf planet covered in rock and ice
Meet the First Donut That Went to Space
A pair of Swedish brothers launched a tasty pastry into the stratosphere—and filmed the entire ride
The Messenger Probe Will Soon Crash Into Mercury
As NASA’s probe runs out of propellant, it will crash into the planet’s surface at 8,750 MPH
Earth May Have Become Magnetic After Eating a Mercury-Like Object
Swallowing a sulfur-rich protoplanet could help explain two lingering mysteries in the story of Earth’s formation
Escape From the Black Hole’s Abyss!
An object called G2—previously believed to be a gas cloud—narrowly slipped from the clutches of a supermassive black hole
An Einstein Ring and an Asteroid “Dart” Are Among These Space Stunners
A lensed galaxy and a mission to manipulate a space rock feature among our picks for this week’s best space images
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