Sentinel-2 in the Vega launch tower. Image: ESA-CNES-ARIANESPACE/Optique vidéo du CSG–T. Leduc
Update 6:41 p.m. EDT: Arianespace announced that the mission is scrubbed for a Tuesday night launch attempt and is working towards an opportunity on Wednesday, Sept. 4.
A thruster glitch suffered this past April will delay the BepiColombo mission's arrival at Mercury by nearly a year, to November 2026.
By using protons to probe how a magnetic field responds to an expanding plasma, experimenters have replicated the particle jets spewed out by active black holes.
In the contemporary Universe, massive galaxies are plentiful. But the Universe wasn’t always like this. Astronomers think that galaxies grew large through mergers, so what we see in space is the result of billions of years of galaxies merging. When galaxies merge, the merger can feed large quantities of gas into their centers, sometimes creating a quasar.
A long-sought invisible electrical field wrapped around Earth has been detected more than half a century after it was first predicted to exist.
Europe's Vega small-satellite launcher is scheduled to fly its final mission tonight (Sept. 3), and you can watch the swan song live.
NASA is considering pulling a pair of shelved spacecraft out of storage to spy on notorious asteroid Apophis ahead of its April 2029 Earth flyby.
A statue of Christa McAuliffe, NASA's "Teacher-in-Space" who died on board the space shuttle Challenger in 1986, has been unveiled in New Hampshire, the state where she taught.
September offers a number of fascinating lunar occultation events worldwide.
NASA missions are some of the most technologically advanced and critically important endeavors but they are at risk from hackers.
Every so often, astronomers detect a supernova explosion that's 100 times brighter than it should be. A new paper may reveal the strange source of these "superluminous" supernovas.
A supermassive black hole has twice now grabbed gas from a passing star — and astronomers predict a third chance will come in early 2025.
A tiny fraction of known black holes emit X-ray signals that resemble a human "heartbeat." Now, new research may finally explain the strange phenomenon.
NOAA is researching how to update its Space Weather Scales and how it can better communicate its space weather forecasts with the public and government agencies.
Artemis 3's astronauts will wear spacesuits equipped with 4G connectivity — the same 4G that makes up the majority of Earth's mobile phone networks today.
ESA mission controllers have completed the final phase of their simulation training for the critical launch and early orbit phase, confirming that everything is ready for the launch of Sentinel-2C.
New Zealand's rapidly growing space industry, driven by private ventures, faces challenges with light pollution affecting Indigenous astronomy. Balancing economic growth and environmental protection is crucial.
A new gameplay trailer for Funcom's open-world survival video game, "Dune: Awakening"
Scientists build a new light source for quantum communications by combining existing technologies together to create a stronger and more robust quantum signal.
The Triangulum Galaxy, the third-largest member of the Local Group of galaxies, is shining with star formation in a new image from the Hubble Space Telescope.
"Now this is podracing!": The latest Lego Star Wars diorama might not be our favorite, but it's still got charm.
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