ESA's LISA Pathfinder mission is a technology demonstrator that will pave the way for future spaceborne gravitational-wave observatories. It will operate about 1.5 million km from Earth towards the Sun, orbiting the first ...
A 42 km-wide impact crater and numerous smaller craters straddle the northwestern rim of the 460 km-diameter Schiaparelli basin in this image taken by ESA's Mars Express on 15 July 2010.
Vast volumes of water once flooded through this deep chasm on Mars that connects the 'Grand Canyon' of the Solar System – Valles Marineris – to the planet's northern lowlands.
The latest satellite for the European Commission's Copernicus environmental programme has left France bound for the Plesetsk launch site in Russia and launch late next month.
Named after Isaac Newton's text Naturalis Principia Mathematica, ESA's Principia mission will be the eighth long-duration mission to the International Space Station.