Learn more about the number of satellites circling Earth and the multiple ways they are changing the sky.

Spain's latest military communications satellite suffered a debris impact while headed to its orbital destination. The extent of the damage is still unknown.

Scientists are using the cutting-edge satellite technology from the NASA-ISRO Synthetic Aperture Radar (NASIR) to rethink how ...

Earth’s orbit is getting overcrowded, increasing the risk of satellite collisions that could disrupt vital services, create dangerous debris clouds, and—in some cases—send chunks of wreckage careening ...

Greenland's mountains greatly affect local climate patterns.

The astronomical community faces a significant and escalating challenge due to the dramatic increase in satellite launches, transitioning from minimal interference by early constellations like Iridium ...