Crew reaches International Space Station within six hours of launch from Kazakhstan
Space
Virgin Galactic: The Hour is Nigh For Tourists in Space
A convention in the desert for hundreds of paying customers ready to leave the Earth
Mystery Solved: Black Hole Belch Caused Galactic Glow
How astronomers discovered signs of a massive, two-million-year-old “burp” at the Milky Way’s core
Running in Space!
While in space, NASA astronaut Karen Nyberg demonstrates how to run on a treadmill
Enough Already. Does Mars Have Life or Not?
The latest readings do not offer good news for lovers of the Red Planet
Can Tiny Galaxies Explain Dark Matter?
Mysterious globular clusters may yield clues to even-more mysterious dark matter
More Proof That Getting Clobbered By Comets Led to Life
Chemistry plus heat can lead to biology—and cometary impacts warm things up nicely
The Engines That Will Lift Americans Back to Space
Four RS-25 engines are undergoing the first stage of testing to fuel the Space Launch System
Voyager 1: Snapshots From the Journey
After 35 years spent journeying through the solar system, Voyager 1 is now, officially, an interstellar spacecraft. Here are some of its more elegant photos
Going to Mars via Fusion Power? Could Be
A high-speed, lightweight way to travel in space — provided someone can actually build the thing