Proba-3 satellite: Seeing in the dark

One of the precision formation flying Proba-3 satellites as seen from the other during ground testing. The pair will fly in orbit relative to one another down to millimeter scale precision, but in order to do this must keep ...

Sensing city night heat from space

Confirmed by the World Meteorological Organization, July 2023 was the hottest month on record, with high-impact weather continuing through August. These records are based on air temperatures, but measurements of the temperature ...

Wildfires continue to rage in Greece, as seen by satellite

A month after fires ravaged the island of Rhodes in July 2023, more fires have ripped through Greece this week as southern Europe swelters under a late summer heat wave. This Copernicus Sentinel-2 image shows the ongoing ...

Solar system fingerprints found in memories of ESA flotilla

Memories of solar impact from seven ESA spacecraft have been collected and analyzed in a first-of-its-kind study to better understand the radiation environment in space. Huge amounts of engineering data has been used to reveal ...

Hera's mini-radar will probe asteroid's heart

The smallest radar to fly in space has been delivered to ESA for integration aboard the miniature Juventas CubeSat, part of ESA's Hera mission for planetary defense. The radar will perform the first radar imaging of an asteroid, ...

Video: The universe in a box: Preparing for Euclid's survey

ESA's Euclid mission will create a 3D-map of the universe that scientists will use to measure the properties of dark energy and dark matter and uncover the nature of these mysterious components. The map will contain a vast ...

Sentinel-2 captures Portugal wildfire

With Portugal in the grip of a heat wave, a wildfire broke out on 5 August south of Odemira in the Alentejo region in southern Portugal. This image, captured by the Copernicus Sentinel-2 satellite mission, shows the fire ...

Giant solar eruption felt on Earth, moon and Mars

A coronal mass ejection erupted from the sun on 28 October 2021 and was spread over such a wide area that Mars and Earth, while on opposite sides of the sun and around 250 million kilometers apart, received an influx of energetic ...

Euclid test images tease of riches to come

Euclid's two instruments have captured their first test images. The mesmerizing results indicate that the space telescope will achieve the scientific goals that it has been designed for—and possibly much more.

page 11 from 40