"From command and control to autonomous systems operating in GPS-denied environments, many of today's most complex missions ...

A NASA satellite has found an unintended, important purpose.

Today, at the Living Planet Symposium, ESA revealed the first stunning images from its Biomass satellite mission—marking a major leap forward in our ability to understand how Earth's forests are ...

The maps and images show the extent of destruction and give rescue operations a tool to find any remaining survivors.

"Our results show that climate change made the retreat of the Pine Island Glacier substantially worse,” the lead author said.

Ukraine says its strike campaigns have prompted Russia to bring out additional defenses. It's not the first time it's tried smoke.

From Iranian naval ports to US military bases across the Gulf, Al Jazeera shows 15 sites before and after the attacks.

Explore decades of incredible images and videos of stars, planets, moons, and galaxies—most of which are free to use and ...