Clocks, gravity, and the limits of relativity

The International Space Station will host the most precise clocks ever to leave Earth. Accurate to…

A unique experiment to explore black holes

What happens when two supermassive black holes collide? Combining the observing power of two future ESA…

Gravity to the max

Technology image of the week: ESA’s Large Diameter Centrifuge gives European researchers access to high gravity…

Air and water balloons in hypergravity

An air balloon, left, and water balloon, right, subjected to hypergravity conditions inside ESA’s Large Diameter…

Zero-G Spiderman

Human and robotic exploration image of the week: A parabolic flight experiment tests perception in altered…

One hundred years of gravity

One hundred years ago this month, observations performed during a total solar eclipse proved for the…

Gravity wonders

Space Science Image of the Week: Black holes provide an extreme cosmic laboratory to test some…

Merging black holes

Black holes are among the most fascinating objects in the Universe. Enclosing huge amounts of matter…

CDF podcast

NASA’s Small Steps, Giant Leaps podcast interviews ESA engineer Torsten Bieler on the Agency’s Concurrent Design…

ESA Open Days in Milan

Elementary and middle school children learned about Earth observation at the Living Planet Symposium in Milan…