On the way to plastic-free oceans

Most microplastics come from bigger items - many of them only used once. She said: You might think that out here in the middle of the ocean we would see pristine waters but the Atlan...


Image: Sun’s magnetic field modeled

Credit: NASA/GSFC/Solar Dynamics Observatory NASA’s Solar Dynamics Observatory (SDO) scientists used their computer models to generate a view of the Sun’s magnetic field on August 1...


How the Arctic Ocean became saline

Every year, ca. Only once the land bridge between Greenland and Scotland disappeared did the first ocean passages emerge, connecting the Arctic with the North Atlantic and making wat...


What is an eclipse?

What is a lunar eclipse? What is a solar eclipse? This short video explains the difference between these regularly occurring events that can be observed from Earth. Remember: never l...


Watch the launch of Galileos 19–22

Europe’s Galileo satellite navigation system will come a giant leap nearer completion on Tuesday 12 December, as four more Galileo satellites are launched into orbit by Ariane 5. Lif...


Student Hyperloop motor tested at ESA

The team visited ESA’s Test Centre in Noordwijk, the Netherlands – normally employed for satellite testing – to see how their electric motor, battery, sensors and brakes performed wh...