Cosmonauts Spacewalk to Uncover Cause of Air Leak

The small hole was found in late August, and now two cosmonauts are leaving the ISS to find answers on the outside.

OSIRIS-REx Discovers Water on Asteroid Bennu
Only a week after reaching the asteroid, NASA's newest spacecraft is…
The Geminid meteor shower over Russian Far East
Set Your Alarms Now for the Geminid Meteor Shower
The best views will come very early in the morning on Friday, Dec. 1…
China Launches Mission to the Moon's Far Side
The Chang'e-4 team aims to be the first to send a successful mission…
voyager 2 interstellar space
Voyager 2 Enters Interstellar Space
After 41 years, NASA's longest-running mission joins its sibling in …
mars insight lander camera first shot
Here Are the First Pictures from the Mars InSight Probe

After a long journey, it's time to get to work.

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Here's Our First Look at the Sun's North Pole

No spacecraft with a camera has ever flown over the Sun's north pole to take a photo, so scientists had to make one the hard way.

SpaceX Rocket Misses Landing Pad and Falls into the Ocean

Fortunately, the rocket delivered its cargo first.

The Golden Age of Space Exploration Is Right Now

An emerging golden age of probes may reimagine the origin story of our galactic neighborhood.

Good News: The New ISS Robot Is Already Going Rogue

Like a certain fictional sci-fi robot, CIMON doesn't always like to follow orders.

There Could Be Hundreds of Interstellar Asteroids Lurking in Our Solar System

These asteroids will stick around for a long time, so scientists can take their time learning everything about them.

Watch NASA's OSIRIS-REx Rendezvous With an Asteroid

The spacecraft arrives at the tiniest object ever visited today.

Meet the Tiny Unlikely Hero of the Mars InSight Landing
Mars Cube One-B had a dim future after suffering a malfunction. But with the help of some clever human navigators, the spacecraft playe…
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NASA Mission Operations Control Room of Manned Spacecraft Center
Houston, We Have a Resurrection: How Mission Control Came Back from the Brink

After years of neglect, two refurbished Mission Control consoles debut in anticipation of Apollo 11’s 50th anniversary.

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NASA's Insight Probe Successfully Landed on Mars

Just another historic milestone, courtesy of NASA.

Why Mars InSight Will Be a Mission of Firsts

Reasons why you should pay attention to this mission to the Red Planet.

A Space Startup Wants To Put Mercury in Spacecraft Engines

The idea was abandoned decades ago because better, safer fuels came around.