The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Researchers believe the “quasi-satellite” has accompanied Earth since 1957.

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

The NISAR mission is a joint venture between NASA and the Indian Space Research Organization (ISRO.) The satellite, which launched July 30 from India, is designed to observe and map Earth in detail to ...

NASA's Earth-observing satellites captured 12 significant events in 2025, revealing the planet's dynamic systems, from the Palisades fire burn scar in Los Angeles to the aftermath of a glacier ...

The last time someone photographed the exosphere, the outermost layer of Earth’s atmosphere separating it from outer space, was in the 1970s from the surface of the Moon. This is a problem for two ...