Not one, not two, but 24 payloads are going up into orbit
Countdown: 45 years left until 'First Contact'
A slew of new startups are vying to serve the booming market for small satellites by launching small rockets more frequently and cheaply
Finally, a good use for climate change
The closest potentially habitable planet has an intriguing interior
A quick primer on Martian law
Despite a recent glitch, LightSail 2 is still aiming for a historic flight in 2017
A fireworks display from space
The moon rocks
Team announces a new batch of suspected exoplanets
In the California desert, Honeybee Robotics is testing a drill that could search for life on other worlds
Better visit it soon!
Could icy slush be driving the dwarf planet's geological activity?
Tiny satellites could help turn the Moon into a gas station for solar system exploration
(If you are like our editors and obsessed with all things space)
Well, only partially deployed, but that may change soon
We really need to work on our communication skills
Yay for rays!
Speak up, LightSail, we can't hear you!
Slow but steady sun-powered spacecraft could transform space travel
Will it be smooth sailing for LightSail?