A fresh satellite image obtained by RFE/RL shows that the development of a military installation is proceeding apace at a ...

Satellite images appear to show entrances to Iranian nuclear sites buried under tons of soil and a marked increase in US ...

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is trying to spur negotiations on a new accord now that a last Cold War treaty ...

Trillions of neutrinos—nearly massless, neutrally charged particles—pass through us every second, but we only acknowledge ...

AI-Driven Robotics for Autonomous Space Exploration. One day, space exploration might make use of astronauts living ...

They slip through your skin, your walls, and the whole Earth without leaving a mark. Neutrinos earn the nickname “ghost ...

Using data collected by NASA's Parker Solar Probe during its closest approach to the sun, a University of Arizona-led ...

Radiation monitoring has long depended on bulky, specialized instruments that are scarce outside hospitals, research labs, and nuclear facilities. Now a wave of research is turning the cameras and ...

Dark matter has shaped the universe since its earliest stages, even though most of us rarely think about it. On a clear night, the sky feels calm and familiar. Stars are scattered overhead, and the ...

Earth is closer than it’s ever been to destruction as Russia, China, the U.S. and other countries become “increasingly aggressive, adversarial, and nationalistic,” a science-oriented advocacy group ...

Earth's radiation budget is a core process of the Earth-atmosphere system, closely linked to global climate and environmental changes. While current satellite observations have greatly advanced our ...

In January 1978, a Soviet nuclear-powered spy satellite lost control and tore through the skies over northern Canada, scattering radioactive debris across the tundra. This video follows the Kosmos 954 ...