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One foundational part of astrophysics concerns how stellar mass black holes form. When a star several times more massive than our Sun runs out of fuel for fusion, the outward pressure from fusion decreases, and eventually it’s not enough to counteract the inward gravitational pressure from the star’s mass. Inward pressure takes over, and the…
Smile successfully launched from Europe’s Spaceport in French Guiana on 19 May 2026. This timelapse captures the excitement and precision of launch operations as the spacecraft begins its journey to study the connection between the Sun and Earth. Smile (the Solar wind Magnetosphere Ionosphere Link Explorer) is an international space science mission designed to investigate…
A predawn Moon-and-planets meetup, a returning comet, a great chance to see the Milky Way, and Saturn’s rings at a new angle. July 7: Last Quarter Moon July 11 + 12: Dawn alignment of the Moon, Mars, Saturn, and Uranus July 14: New Moon; best dark-sky window for Comet 10P/Tempel 2 and the Milky Way…
Observations of a distant cluster of stars in our galaxy have defined a new class of objects that turn out to be galactic building blocks. Researchers used Hubble Space Telescope (HST) and the James Webb Space Telescope (JWST) to study the stars that make up Terzan 5, long though to be a globular cluster. What…
The International Space Station has once again become the stage for groundbreaking science, as NASA continues expanding the capabilities of its Cold Atom Lab, a unique facility designed to create one of the rarest forms of matter ever observed. With a newly installed upgrade, the orbiting laboratory is giving scientists an opportunity to study quantum…
Back to Pic of the Day List Ron Brecher from Guelph, Ontario, Canada Sharpless 2–112 is a glowing cloud of ionized hydrogen roughly 30 light-years across, threaded by dark rifts of dust. It lies about 6,500 light-years away in Cygnus and is energized by the hot, massive O-type star BD+45 3216. The imager took nearly…
Space Safety 17/03/2026 4705 views 77 likes A successful deep-space manoeuvre has put ESA’s Hera spacecraft on course for its rendezvous with the Didymos binary asteroid system later this year. Check out the new Hera mission poster! The European Space Agency’s (ESA) Hera spacecraft is on its way to the only asteroids in existence whose…
Enabling & Support 23/03/2026 6729 views 60 likes No matter how much planning goes into space missions, one must always expect the unexpected. But luck favours the prepared. In July 2025, an unexpected visitor entered our Solar System, interstellar object 3I/ATLAS. ESA’s Jupiter Icy Moons Explorer – Juice – happened to be in the right…
Terran R second stage heads to Stennis as Relativity advances toward 2026 debut – NASASpaceFlight.com We use cookies to ensure that we give…
Astronomers estimate that there are about 200 billion trillion stars in the observable universe. And many of those stars are as bright or even brighter than our sun. So, why isn’t space filled with dazzling light? I am an astronomer who studies stars and planets – including those outside our solar system – and their…