We measure the “warmness” of the dark matter, i.e. the comoving root-mean-square thermal velocity v hrms (1) , with nearly 3000 spiral galaxy rotation curves in the ...
The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, ...
See amazing views of colliding galaxies NGC 520 and barred galaxy IC 4212 in imagery from the Siena Galaxy Atlas. Credit: ...
Using the James Webb Space Telescope, astronomers have captured the clearest picture yet of how galaxies formed in the early universe.
Twin black hole collisions detected in 2024 have provided the sharpest-ever test of Einstein’s theory while revealing new details about how black holes form and spin.
For the first time, scientists have detected two black hole mergers with spins so unusual they may reveal a new generation of ...
4d
With more Moon missions on the horizon, avoiding crowding and collisions will be a growing challenge
The US doesn’t currently have much ability to monitor what’s going on in the space around the Moon. An effort by the Air ...
Two recently observed black hole mergers, occurring just weeks apart in late 2024, have opened an extraordinary new window ...
For the first time, scientists have the calculations and simulations to explain mysterious flashes from the galaxy OJ 287.
After overcoming a serious leg injury, FC Cincinnati defender Nick Hagglund has been named the 2025 MLS Comeback Player of the Year.
For the first time, scientists have the calculations and simulations to explain mysterious flashes from the galaxy OJ 287.
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