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

High-Altitude Residential Sites In Africa Provide Evidence of Humans Mountaineering 30,000 Years Ago Archaeologists have long ...

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

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

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.

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 ...