Our galaxy has collided with many others in its lifetime. ESA's Gaia space telescope now reveals that the most recent of these crashes took place billions of years later than we thought.
Astronomy
Jun 6, 2024
0
231
ESA's EarthCARE mission has completed its important "Launch and Early Orbit Phase" and is ready to begin the commissioning of its four scientific instruments. The data they gather will improve our understanding of the role ...
Planetary Sciences
Jun 6, 2024
0
20
The first ESA instrument to land on the moon has detected the presence of negative ions on the lunar surface produced through interactions with the solar wind.
Space Exploration
Jun 6, 2024
0
15
Launched on 18 December 2019, OPS-SAT was tasked with opening up the world of spacecraft operations to the widest possible audience. Its founding principle was to provide a fast, no-charge, non-bureaucratic experiment service ...
Space Exploration
Jun 4, 2024
0
35
One small s-curve deposited in liquefied stainless steel equals a giant leap forward for in-orbit manufacturing: This is the very first metal 3D printing aboard the International Space Station, which took place last Thursday, ...
Space Exploration
Jun 4, 2024
0
1
Ever since aurora chasers discovered Steve, a mysterious ribbon of purple light in the night sky, scientists have wondered whether it might have a secret twin. Now, thanks to a photographer's keen eye, and data from ESA's ...
Astronomy
Jun 4, 2024
0
53
As ESA's Hera spacecraft for planetary defense goes through pre-flight testing, the system that will steer it around its target binary asteroid system is also undergoing its final checks for space.
Space Exploration
May 30, 2024
0
18
Mars's surface is covered in all manner of scratches and scars. Its many marks include the fingernail scratches of Tantalus Fossae, the colossal canyon system of Valles Marineris, the oddly orderly ridges of Angustus Labyrinthus, ...
Planetary Sciences
May 30, 2024
0
35
The Zefiro-40 solid rocket motor, the second stage of the Vega-C rocket, was tested today by Vega-C prime contractor Avio at its Salto di Quirra test facility in Sardinia, Italy. The motor features an improved engine nozzle ...
Space Exploration
May 29, 2024
0
1
Clouds are one of the biggest mysteries in the climate system. They play a key role in regulating the temperature of our atmosphere. But we don't know how their behavior will change over time as Earth's atmosphere gets warmer. ...
Environment
May 27, 2024
0
21
