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, ...

Astronomers caught a rogue black hole tearing apart a star 2,600 light-years from its galaxy’s center — a first-of-its-kind ...

The NSF NOIRLab-operated Gemini North telescope captured stunning imagery of galaxies UGC 12914 and UGC 12915, aka 'Taffy ...

A newly formed black hole, GW190412, was captured fleeing at 180,000 km/h; scientists track its entire cosmic trajectory for the first time.

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.

For the first time, scientists have the calculations and simulations to explain mysterious flashes from the galaxy OJ 287.

In the 10 years since the first detection of gravitational waves, we have detected hundreds of these waves produced by the ...

Since 2019 Dasha and Sade have partnered to shape the future of a mixed-use, mixed-income development project in Harlem. When ...

Our Milky Way is far from calm — it ripples with a colossal wave spanning tens of thousands of light-years, revealed by ESA’s ...