An unexpected monster black hole was found hiding inside one of the Milky Way's tiniest neighbors, rewriting what scientists ...

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object ...

Theoretical physicist Alex Lupsasca is pushing for a space telescope to glimpse the thin ring of light that is thought to surround every black hole.

A new study suggests the Milky Way’s gamma-ray glow could be a dark matter signal shaped by ancient galactic mergers.

Small and unassuming, Segue 1 is a nearby dwarf galaxy containing only a handful of stars—too few to provide the gravity ...

The James Webb Space Telescope's Near-Infrared Camera (NIRCam) reveals a stunning view of star-forming region Sagittarius C ...

This is your rundown on the latest breaking news in space. We’ve got updates on everything from auroras to black holes, plus ...

New simulations reveal the glow at Milky Way’s heart may come from dark matter, challenging long-held cosmic theories.

A mysterious glow at the center of the Milky Way has puzzled astronomers for more than a decade. New research offers an ...

The Event Horizon Telescope captured the first image of the Milky Way galaxy's supermassive black hole Sagittarius A* — our ...

A gamma ray glow at our galaxy’s center has puzzled scientists for almost two decades. New computer simulations back the ...

Astronomers have discovered that a supermassive black hole at the heart of the Circinus galaxy is feeding through two ...