What if everything we know—the stars, the galaxies, the expanding fabric of space-time—isn’t floating in a limitless void, ...

Einstein believed that black holes didn't really exist. But they do: that much we know. We don't know much else about them.

Discover the power of black holes and their jets, and how they impact the formation of stars and potentially habitable worlds ...

This past April, a picture of a black hole, captured by a global network ... months before—to suggest that a star above a certain density would collapse into a point of infinite density and ...

Q: If the gravity of a black hole is so strong that nothing can escape from it, not even light, how has the Hubble Space Telescope recorded images of gas jets ejected from black holes?

Hubble’s sharp new image of the Sombrero Galaxy reveals unusual metal-rich stars, a calm black hole, and merger ...

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding.

The James Webb Space Telescope reveals turbulent environments found in Sagittarius C, a core part of our Milky Way galaxy.

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Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have found compelling evidence of a dark matter-deficient dwarf galaxy, FCC 224. This ultra-diffuse galaxy is located on the ...