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Everything we've published on ESA: articles, news, opinion and video.
Solar particles thrown out by an eruption on the Sun reached the bare surface of Mercury while the BepiColombo spacecraft flew close overhead, researchers led by the University of Helsinki report in…
Isar Aerospace's Spectrum rocket reached orbit and deployed its payloads on Sept. 5, the vehicle's second flight and its first carrying satellites. The company said liftoff came at 10:12 p.m. CEST…
The European Space Agency said BepiColombo separated its Mercury Transfer Module from the rest of the spacecraft on Sept. 3. The maneuver is the first step in an arrival sequence that will place the…
The last of the European Space Agency's four Cluster satellites reentered Earth's atmosphere over the South Pacific on Sept. 1 at 21:30:31 UTC, ESA said, ending 26 years of Cluster operations and…
Shortly after 1 p.m. BST on Sept. 3, the flight control team at ESA's European Space Operations Centre in Darmstadt was not watching a spacecraft. It was listening for a signal. More than 200 million…
A ten-sided atmospheric wave is circling Saturn's south pole, according to a paper published Sept. 2 in Science Advances by Agustín Sánchez-Lavega of the University of the Basque Country and…
NASA astronaut Jessica Meir and ESA astronaut Sophie Adenot ended a spacewalk outside the International Space Station at 3:29 p.m. EDT on Sept. 1 after installing a new navigation reflector on the…
Two reference models of Venus's atmosphere disagree with 18 years of spacecraft temperature measurements by more than 10 K, or 10 degrees Celsius, according to a paper posted to the arXiv preprint…
A handful of supermassive black holes have been caught doing something no textbook asked them to do. Every few days they switch on, flood their surroundings with X-rays, then switch off again. Days…
Arianespace launched EUMETSAT's MTG-I2 weather satellite from Europe's Spaceport in French Guiana Aug. 27, on a flight the launch company says was the Ariane 6 rocket's first mission to geostationary…
NASA astronaut Anil Menon and ESA astronaut Sophie Adenot installed a replacement high-speed antenna on the outside of the International Space Station on Aug. 25, finishing a repair the pair had…
A single glancing impact by a 320-meter asteroid can account for both the 10-kilometer-wide depression at Deimos's south pole and the fine debris covering the whole 12-kilometer moon, according to…