Extreme solar activity or even a software glitch could put us just days away from a satellite collision in low-Earth orbit.

With $800 of off‐the‐shelf equipment and months' worth of patience, a team of U.S. computer scientists set out to find out how well geostationary satellite communications are encrypted. And what they ...

Add Yahoo as a preferred source to see more of our stories on Google. PRINCETON — The long-planned follow-up to the 1999 motion picture “October Sky” is in “pre production” and will be filmed in ...