What the heck is a Space Force? We finally (sort of) know.
In 1966, the Air Force sent an uncrewed space station into orbit
More than 200,000 aspiring space explorers volunteered for a one-way trip to Mars. Are they insane?
Wrenches, and sample containers, and extruders, oh my
Getting an inside look at what went wrong during a near-fatal spacewalk last summer
NASA's second attempt to fly a capsule that could take us to Mars was a success
With no plans for future upgrades, the telescope faces a fiery end
Yesterday's Antares failure was not exactly unprecedented.
A new vehicle design could enable same-day shipping from the ISS to Earth, making science experiments in microgravity cheaper and easier.
If Sierra Nevada can't build its vehicle, no one else can.
The record-breaking rodents will travel to the International Space Station this weekend.