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Browse through success stories, infographics, documents, and more. Learn about ESA’s Earth Observation community and satellite data applications. For EO Quality Control Reports visit Quality Reports Advanced Search
Meet Nils Olsen, head of the Swarm DISC, and winner of prestigious EGU award
3 June 2025
A highly distinguished career was rewarded at EGU 2025, when Nils Olsen, head of the Swarm DISC and Professor and Head of Geomagnetism and Geospace at DTU Space, received the Petrus Peregrinus medal.
Which geomagnetic storm was the biggest? Swarm compares 10 May and 10 October 2024
6 Feb 2025
Some of the biggest geomagnetic storms in decades lit up Earth’s atmosphere throughout 2024 with dazzling auroras. But which was biggest? Eelco Doornbos of KNMI has used different aspects of Swarm data, his Space Weather Timeline Viewer, and reports of visible aurora from the ground, to investigate.
Swarm tracks space weather with global, near-real time Kp-like hazard index
14 Jan 2025
A new space weather variation hazard index, developed by British Geological Survey researchers using data from the European Space Agency’s Swarm satellite constellation, provides a near-real time, global picture of geomagnetic variations to spot the local effects of space weather.
How Swarm is helping scientists study the ionosphere
29 Oct 2024
A team of scientists has used Swarm data to refine a model that helps predict the behaviour of the ionosphere. This layer of Earth’s atmosphere plays a key role in communications and navigation.
Discover Magnetic Waves in Earth’s Outer Core
24 July 2024
Discover a new type of magnetic wave in Earth’s outer core, revealed by ESA’s Swarm satellite.
Showcasing Earth Explorer success stories from around the world
16 July 2024
The Earth Explorers programme consists of a series of satellites that share the common goal of advancing Earth science by helping answer principal scientific questions through observation of Earth’s key systems.
Introducing Anja Strømme
13 June 2024
Swarm Mission Manager at ESA, introduces herself and explains what she finds most fascinating about the mission.
What is the Swarm Virtual Workspace for Earth Scientists (VirES)?
29 May 2024
Learn more about Swarm VirES in this infographic.
Interview with ESA's Swarm Mission Manager
21 May 2024
Swarm Mission Manager, Anja Strømme, explains the complexities of managing a constellation mission.
Ten years of Swarm data help reveal processes in Earth’s core
26 Mar 2024
The tenth birthday of ESA’s three-satellite Swarm constellation has been a game changer for research into Earth’s magnetic field and core dynamics, as set out by an ESA-funded project.
Magnetic magic: 10 reasons to be excited about Swarm
7 Mar 2024
In November 2023, Swarm celebrated an impressive ten years in orbit. In that time, ESA’s magnetic mission has honed in on all sorts of mysteries - from tussling magnetic blobs to animal migration.
Swarm set for continued success after 10 years in orbit
22 Nov 2023
ESA’s mission to unravel the mysteries of Earth’s magnetic field has just reached a decade of successful operations.
Remote sensing data map impacts of natural hazards
25 Apr 2023
As climate change increases the frequency and severity of natural disasters, remote sensing data can warn about extreme events and help tackle emergency situations.
Satellites expand research on Space Weather and Sun-Earth Interactions
24 Jan 2023
Earth observation data provide vital warnings about the impact of solar activity and strive to unravel the influence the Sun has on Earth’s system.
Swarm data help estimate the impact of space weather
20 Oct 2022
Energy from space weather mostly deposits itself as heat in the upper atmosphere, posing risks to satellites orbiting in the same altitude.
Swarm unveils magnetic waves deep down
23 May 2022
Using information from ESA’s Swarm satellite mission, scientists have discovered a completely new type of magnetic wave that sweeps across the outermost part of Earth’s outer core every seven years.
How ESA uses space data to explore deep Earth
18 May 2022
As anthropogenic activities continue to unbalance our environment, scientists strive to fully understand the intricate interactions within Earth’s system.
Satellite data central to ocean monitoring
31 Mar 2022
Over 95% of Earth’s water is found in our oceans, and yet sadly, oceans are under stress from climate change and pollution. Monitoring our oceans is vital for Earth’s survival and satellites are the primary means of long-term and independent observation of our vast ocean bodies and their associated coastal zones.
Meet ESA's Swarm Mission Manager
20 Jan 2022
Anja Strømme, ESA's Swarm Mission Manager, describes in detail the wonders of the Swarm mission.
Presenting ESA's Swarm Mission Manager
21 Dec 2021
Anja Strømme, ESA's Swarm Mission Manager, introduces herself and describes what she likes best about this mission.