From fast-moving rivers to trickling creeks, scientists around the world work to measure discharge, or the volume of water flowing past a point per second. Discharge is the number that

Key specs External dimensions: 19.09 x 11.02 x 5.91-inches (48.5 x 28 x 15 cm) with roll top down; 25.98 x 11.02 x 5.91-inches (66 x 28 x 15 cm)

What actually happens to a spacecraft during its fiery last moments? That’s the key question for the European Space Agency’s (ESA) Destructive Reentry Assessment Container Object (Draco) mission. ESA has

NASA’s Artemis program is working to achieve something the U.S. hasn’t done in more than 50 years: send humans back to the moon (and establish facilities needed for sustainable living

Weather forecasts, modern banking, international trade and GPS all depend on a fragile web of infrastructure extending from Earth’s orbit to the ocean floor — a web that’s largely unseen