The small hole was found in late August, and now two cosmonauts are leaving the ISS to find answers on the outside.
After a long journey, it's time to get to work.
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.
Fortunately, the rocket delivered its cargo first.
An emerging golden age of probes may reimagine the origin story of our galactic neighborhood.
Like a certain fictional sci-fi robot, CIMON doesn't always like to follow orders.
These asteroids will stick around for a long time, so scientists can take their time learning everything about them.
What was so elusive for so long is now almost commonplace.
The spacecraft arrives at the tiniest object ever visited today.
The solar panels have successfully deployed.
After years of neglect, two refurbished Mission Control consoles debut in anticipation of Apollo 11’s 50th anniversary.
Now the real science begins.
Just another historic milestone, courtesy of NASA.
Reasons why you should pay attention to this mission to the Red Planet.
The idea was abandoned decades ago because better, safer fuels came around.