Long strands of glowing gas stretch behind a distant galaxy, dotted with pockets of newborn stars. The shape looks almost biological, like tentacles drifting through water.

Dark matter doesn’t emit, absorb, or reflect light. It’s invisible but supposedly makes up 85% of the universe’s mass. Because it’s so abundant, astronomers believe it should explain many unsolved ...

Since it turned on, the James Webb Space Telescope has revealed dozens of mysterious red blobs in space. The so-called Little ...

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Astrophysicists from the University of Waterloo have observed a new jellyfish galaxy, the most distant one of its kind ever captured. Jellyfish galaxies are named for the long, tentacle-like streams ...

As children, many of us remember lying on terraces or open fields, trying to count stars. One, two, three and then losing ...

Fresh excitement is building around The Super Mario Galaxy Movie as new character posters spotlight fan favorites like Yoshi ...

Astrophysicists from the University of Waterloo have observed a new jellyfish galaxy, the most distant one of its kind ever captured.Jellyfish ...

Every star you see at night broadcasts its temperature through color, yet one shade sits permanently off the menu. The visible spectrum runs from deep red through orange, yellow, white, and blue, each ...

All the “normal” matter, like the stars, gas, dust, and people, is called baryonic matter, and it’s basically the tiny visible fraction of a universe that’s mostly invisible and still not fully ...

Ancient star clusters hold a surprise. Bright blue stars, appearing young, have baffled astronomers for decades. Now, James ...

Researchers propose detecting tight supermassive black hole binaries via repeating light flashes from stars magnified by gravitational lensing as the pair orbits, offering a new way to spot these ...