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The Latest Breaking News on Space

AI helps build the most detailed Milky Way simulation ever, mapping 100 billion stars

A record-breaking number of stars has been mapped by a new model that speeds up processing time while allowing smaller scale events, such as supernova explosions, to be incorporated into the simulation alongside larger-scale galactic processes.

Space

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.

Space

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."

Space

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SpaceX rocket launches 140 satellites into orbit on Transporter-15, aces landing at sea (video)

SpaceX will launch more than 100 different payloads today (Nov. 20) on the Transporter 15 rideshare mission.

Space

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.

Space

James Webb Space Telescope captures 'one-of-a-kind' triple star system that looks like a cosmic embryo (image)

The unique system features two rare Wolf-Rayet stars, and a supergiant companion that is interrupting the flow of the dust shells that the two Wolf-Rayet stars cast off.

Space

Nasa releases new images of mysterious Comet 3I/Atlas

Object is just the third known visitor from another solar system – and has prompted speculation about whether it might be an alien spacecraft

The Independent UK

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NASA Releases New 3I/ATLAS Photos: Alien Spaceship Conspiracy Theory Fueled

NASA's new 3I/ATLAS images spark global fascination and intensify alien spaceship speculation as stunning comet photos reignite debate over interstellar mysteries.

International Business Times

NASA unveils close-up pictures of the comet popping by from another star

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system

The Independent UK

Interstellar comet 3I/ATLAS shines in new image captured after close pass by the sun (photo)

"For me, it is particularly interesting to see how such an interstellar object evolves."

Space

The moon is farther from Earth tonight than it will be until 2043

The most distant moon since March 2020 takes to the sky today, but you won't be able to see it.

Space

Rocket Lab launches hypersonic test flight for US military (photo)

Rocket Lab launched its HASTE suborbital vehicle for the sixth time ever on Tuesday (Nov. 18), sending several test payloads up for the U.S. military.

Space

Pilot captures jaw-dropping northern lights show from 36,000 feet (photos)

When a severe G4 geomagnetic storm hit, this Dreamliner pilot had the perfect front-row seat.

Space

Comet C/2025 K1 (ATLAS) breaks apart in incredible telescope photos

Astronomer Gianluca Masi captured breathtaking imagery of solar system comet C/2025 K1 (ATLAS) breaking into multiple pieces after being warmed by the sun.

Space

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Space

Private mission to save NASA space telescope will launch in 2026 on a rocket dropped from a plane

Katalyst Space Technologies will use Northrop Grumman's air-launched Pegasus rocket for its upcoming mission, which will send a spacecraft to boost the orbit of NASA's Swift space telescope.

Space

Lasers target the Tarantula Nebula with 'artificial stars' | Space photo of the day for Nov. 19, 2025

The Very Large Telescope's interferometer targeted four lasers toward the Tarantula Nebula to create an artificial star.

Space

Scientists just discovered a new crater on the moon — they call it a 'freckle'

The Lunar Reconnaissance Orbiter Camera has identified a never-before-seen crater on the moon's surface.

Space

The Euclid space telescope observed 1.2 million galaxies in just 1 year. Here's what we've learned

The data is starting to reveal how galaxies and their black holes evolve.

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Space

The James Webb Space Telescope may have finally found the 1st stars in the universe

"We really needed the sensitivity of JWST. We also needed the 100 times magnification from gravitational lensing from a galaxy cluster between us and LAP1-B."

Space

Do the cores of dead stars exist forever?

Regular stars collapse and die once they run out of fuel for their nuclear reactions, but the white dwarfs just sit there, hanging out, for eternity.

Space

Huge red giant star has newfound companion — and it may be a bad neighbor

"Throwing a close companion into the mix could possibly wreak further havoc on the already complicated processes surrounding these stars."

Space

Will Europe's flagship space science missions survive NASA's budget cuts?

NASA budget cuts proposed by President Donald Trump will cause a significant funding shortfall to Europe's space science missions. But the European Space Agency hopes it can save them.

Space

Euclid space telescope sees gorgeous cosmic cloud | Space photo of the day for Nov. 18, 2025

This image shows Euclid's capability to explore both our cosmic neighborhood and the deep universe beyond.

Space

Watch NASA unveil new images of interstellar comet 3I/ATLAS live today. Here's how

The big reveal will come Wednesday (Nov. 19) at 3 p.m. ET.

Space

'Superheated' stellar factory in the early cosmos is producing stars 180 times faster than the Milky Way

"Even though it's the first time we've seen a galaxy like this, we think that there could be many more out there."

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