The belief that the US government will be using drones to spy on its citizens might not have any basis, as its security forces move towards satellite spying instead.
A new study of glaciers worldwide using observations from two NASA satellites has helped resolve differences in estimates of how fast glaciers are disappearing and contributing to sea level rise.
Almost all of Greenland's surface ice cover has melted at some point this summer - twice as much as usual. It's the largest melt ever seen in more than 30 years of satellite observations.
Scottish engineers have come up with a new way of dealing with asteroids that threaten the Earth - firing lasers at them from a swarm of small satellites flying in formation.
The Hackerspace Global Grid is hoping to build its own satellite network in an effort to counter various Internet censorship initiatives such as the controversial Stop Online Piracy Act (SOPA) act.
It's a bit of a push as claims go: most satelites orbit at a distance of about 200 miles, compared with the 85-mile range of the S3 Krypton Series. Nevertheless, it's a bit more powerful than your average laser pointer.