NASA’s ICESat-2 has hit an incredible milestone: 2 trillion laser shots fired from orbit! This Earth-monitoring marvel has ...

If you need more precise elevation data, use Google Earth, which is available as an app and works in a web browser. The Pro ...

The coming March 13-14 total lunar eclipse promises to be spectacular — if the weather permits. This "blood moon" — the first ...

Climate change is altering conditions in near-Earth space, which could limit the number of satellites that can reliably ...

The Earth's gravitational field is pulling on air ... Many different factors affect the density of air. Most measurably, as altitude increases, air becomes less dense, decreasing atmospheric ...

There's a new race in space, but it's not where you might think. It's happening close to home – in the nearest bit of space, right on the edge of Earth's atmosphere.

Rising temperatures are fueled, in part, by declining cloud cover — which could be a potential climate feedback loop.