Most of these astrophysical monsters are stars with various behavioral issues, such as explosive supernovae or ridiculously ...

Huge eruptions from the Milky Way’s supermassive black hole in the distant past may have sterilized much of the inner galaxy ...

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

Supermassive black holes stand out for their fundamental role in the evolution of galaxies and the history of the universe.

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 ...

It is no secret that at the center of our galaxy, the Milky Way, lies a supermassive black hole better known as Sagittarius A ...

By Leah CraneA nearby galaxy once thought to be dominated by dark matter seems to have a surprise supermassive black hole at ...

Astronomers see no stars ejected from the center of our Milky Way galaxy, giving them important information about the Sgr A* black hole.

The center of the Milky Way twinkles in microwave radiation, seen in new data obtained by astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile. This study could help ...

A near-infrared view of the stars near the center of the Milky Way galaxy. Credit: ESO / S. Gillessen et al. Astronomers suspect the giant black hole at the heart of the Milky Way may have collided ...

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