Nighttime rehearsal for Ariane 6 toward first flight

Yesterday, a team of CNES, ESA, Arianespace and ArianeGroup personnel at Europe's Spaceport in Kourou, French Guiana, completed a full-scale wet rehearsal of the new Ariane 6 rocket that was fueled and then drained of its ...

Hera asteroid mission goes on trial

At some point, statistically speaking, a large asteroid will impact Earth. Whether that's tomorrow, in 10 years, or a problem for our ancestors, ESA is getting prepared.

Video: Fly across Mars' 'labyrinth of night' with Mars Express

Nestled between the colossal Martian "Grand Canyon" (Valles Marineris) and the tallest volcanoes in the solar system (the Tharsis region) lies Noctis Labyrinthus—a vast system of deep and steep valleys that stretches out ...

Measuring nutrition in crops using satellites

With many people around the world suffering from various forms of malnutrition it's important that the absolute basics such as rice, soya and wheat are as nourishing as possible. Research shows that the Copernicus Sentinel-2 ...

Vega flight takes satellites to space

Today (Oct. 10) at 22:36 local time (02:36 BST, 03:36 CEST) the 23rd Vega flight saw its two main satellites launched and released into Earth orbit. The rocket's main passengers were the Earth observing THEOS-2 satellite ...

Hypergravity odyssey of Earth's tiniest plant

The smallest flowering plant on Earth might become a nutritious foodstuff for astronauts in the future, as well as a highly efficient source of oxygen. To help test their suitability for space, floating clumps of watermeal—individually ...

Guide stars found as Euclid's navigation is fine tuned

Euclid has found its "lost" guide stars as a software patch has solved its navigation woes and the next six years of observation schedules have been redesigned to avoid stray sunlight: it's the end of an interesting commissioning ...

Vega's PRETTY CubeSat: Unlocking satnav for Earth data

Our planet is being continuously bathed in radio signals from satnav satellites—which are useful for much more than just navigation. Dedicated space missions acquire these signal reflections to amass valuable environmental ...

Ozone hole grows large again

Measurements from the Copernicus Sentinel-5P satellite show that this year's ozone hole over Antarctica is one of the biggest on record. The hole, which is what scientists call an "ozone depleting area," reached a size of ...

Small-scale magnetism leads to large-scale solar atmosphere

Thanks to close-up images of the sun obtained during Solar Orbiter's perihelion passage of October 2022, solar physicists have seen how fleeting magnetic fields at the solar surface build up into the solar atmosphere.

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