NASA's ability to track satellites and orbiting spacecraft is about to get a big boost, following the launch last night of a next-generation communication satellite.
Scientists have been able to count the number of emperor penguins in Antarctica by using satellite mapping technology - and there's twice as many as previously thought, they say.
When scientists discovered two great swaths of radiation encircling Earth in the 1950s, it spawned exaggerated fears about "killer electrons" and space radiation effects.
Well, you may have been lucky last time, but there's another satellite heading back to Earth, and this time it's much more likely that it'll land on your head.
As America prepares itself for what is predicted to be an active hurricane season, the American Geophysical Union (AGU) is calling on Congress to fund weather satellites.
The United States Air Force is currently prepping the first geosynchronous (GEO-1) Space Based Infrared System (SBIRS) satellite for an early May launch from Cape Canaveral Station.