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AI helps build the most detailed Milky Way simulation ever, mapping 100 billion stars
Simulating a billion years using previous best-resolution simulations would take almost 36 years of real computing time.
Black Friday 2025 deals you can already get: Telescope deals, binocular discounts, camera offers and more
Deals We've scoured the net for the best Black Friday and Cyber Monday deals on space-related gear, from telescopes to cameras and more.
Best Black Friday Lego deals 2025: save on Star Wars, space, Marvel & DC Lego sets
Regardless of which line of sets are your favorites, we've rounded up the best Black Friday Lego deals on the market ahead of the annual sales event
Spot Uranus shining at its brightest this year — here's what to expect on Nov. 21
Uranus will appear opposite the sun in Earth's sky on Nov. 21.
On this day in space! Nov. 20, 1998: International Space Station construction begins
On Nov. 20, 1998, the first piece of the International Space Station launched into orbit.
Watch SpaceX launch more than 100 satellites to orbit today on Transporter 15 rideshare mission
SpaceX will launch more than 100 different payloads today (Nov. 20) on the Transporter 15 rideshare mission.
Rubin Observatory peers into the 'hidden universe' and discovers stream of stars longer than our entire Milky Way
"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden universe shapes the realms that we can see."
ISS astronauts see comet Lemmon 'absorbed' by aurora | Space photo of the day for Nov. 20, 2025
It's not every day you see both a comet and an aurora from low Earth orbit.
