Hubble Space Telescope Experiences Déjà Vu
This jewel-bright Picture of the Week features the spiral galaxy NGC 2903. This image was captured using Hubble’s Advanced Camera for Surveys (ACS) and Wide…
This jewel-bright Picture of the Week features the spiral galaxy NGC 2903. This image was captured using Hubble’s Advanced Camera for Surveys (ACS) and Wide…
Auroras make for great Halloween décor over Earth, though ESA astronaut Thomas Pesquet snapped these green smoky swirls of plasma from the International Space Station…
On September 22, around midday, ESA’s Integral spacecraft went into emergency Safe Mode. One of the spacecraft’s three active ‘reaction wheels’ had turned off without…
Credit: All-sky camera, Kiruna Atmospheric and Geophysical Observatory (KAGO) within the Swedish Institute of Space Physics (IRF). Data provided as part of ESA’s Space Weather…
This observation from the NASA/ESA Hubble Space Telescope showcases Arp 86, a peculiar pair of interacting galaxies which lies roughly 220 million light-years from Earth…
The James Webb Space Telescope will be the largest, most powerful telescope ever launched into space. Webb’s flight into orbit will take place on an…
How to propel a spacecraft without propellant? Use electrodynamic tethers. These are long, strong conductors connecting two spacecraft. When direct current is applied to the…
The James Webb Space Telescope has arrived safely at Pariacabo harbor in French Guiana. ESA in close collaboration with NASA will now prepare this once-in-a-generation…
La Palma Volcano: How Satellites Help Us Monitor Eruptions Since the Cumbre Vieja volcano began erupting on September 19, 2021, lava has burned through homes,…
The European Space Agency is playing a vital role in humankind’s return to the Moon. In a few months, NASA will launch Artemis I from…
NGC 4666 takes center stage in this image from the NASA/ESA Hubble Space Telescope. This majestic spiral galaxy lies about 80 million light-years away in…
On October 4, 2021, ESA astronaut Thomas Pesquet became commander of the International Space Station, taking over from Japanese Aerospace Exploration Agency astronaut and fellow…
This image, captured by the Copernicus Sentinel-2 mission on September 30, 2021, shows the flow of lava from the volcano erupting on the Spanish island…
This Picture of the Week features two interacting galaxies that are so intertwined, they have a collective name — Arp 91. This delicate galactic dance…
The ESA/JAXA BepiColombo mission has captured its first views of its destination planet Mercury as it swooped past in a close gravity assist flyby last…
The Copernicus Sentinel-1 mission takes us over the Mackenzie River, a major river system in the Canadian boreal forest. Its basin is the largest in…
The joint European-Japanese BepiColombo mission captured this view of Mercury on October 1, 2021, as the spacecraft flew past the planet for a gravity assist…
The ESA/JAXA BepiColombo mission to Mercury will make the first of six flybys of its destination planet on October 1, 2021, before entering orbit in…