Air and water balloons in hypergravity

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

One hundred years of gravity

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

Merging black holes

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

ESA Open Days in Milan

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

Josef Aschbacher discusses the future of Earth observation

As the Living Planet Symposium comes to an end, Josef Aschbacher, Director of Earth Observation Programmes…

Settling into old age

NGC 3384, visible in this image, has many of the features characteristic of so-called¬†elliptical galaxies. Such…

Po Valley, Italy

This Copernicus Sentinel-2 image features the Po Valley, the most densely populated area in Italy, accounting…

Earth from space: Po Valley

In this week’s edition of the Earth from Space programme from the Living Planet Symposium in…

Hubble observes creative destruction as galaxies collide

NGC 4485 has been involved in a dramatic gravitational interplay with its larger galactic neighbour NGC…

Air quality station

With air pollution becoming a global concern, learn how ESA’s air quality stations can measure different…