Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The number of spacecraft ...

One of the most crucial elements of a forecast is sky conditions. Whether it's sunny, partly cloudy, or storming. Typically, we use radar to detect rain, but when it is not raining, how do we observe ...

There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope, reside in low Earth orbit, or LEO, which tops out at about 1,200 miles (2 ...

Tiny earth observation satellites in 2026 track hurricanes, crops, and ships with CubeSat weather monitoring, small satellite ...