NASA's new 3D portrait of methane concentrations shows the world's second-largest contributor to greenhouse warming, the diversity of sources on the ground, and the behavior of the gas as it moves through the atmosphere.

Observations from 11 satellite missions monitoring the Greenland and Antarctic ice sheets have revealed that the regions are losing ice six times faster than they were in the 1990s.

A new NASA/university study of carbon dioxide emissions for 20 major cities around the world provides the first direct, satellite-based evidence that as a city's population density increases, the carbon dioxide it emits per person declines, with some notable exceptions.

NASA and European Space Agency (ESA) pollution monitoring satellites have detected significant decreases in nitrogen dioxide (NO2) over China.

When explorer Marco Polo passed through modern-day Myanmar (Burma) about 700 years ago, one city caught his attention: Bagan.

While typical space missions resist orbital decay, Qarman will drift down month by month until it reenters the atmosphere, at which point it will gather a wealth of data on the fiery physics of reentry.

An astronaut on the International Space Station took this oblique photograph of the Maiella Massif, which stands amidst Italy's Central Apennine Mountains.

This Copernicus Sentinel-2 image takes us over Lake George, in western Uganda. In 1988, Lake George was designated as Uganda's first Ramsar site, given its importance as a center for biological diversity.

This Copernicus Sentinel-2 image features an area in the Santa Cruz Department of Bolivia, where part of the tropical dry forest has been cleared for agricultural use.

In the northern Mexican state of Cohuilla lies the Cuatro Cienegas Basin. Dotting the landscape are small pools, formed by natural springs, in which are found live stromatolites.