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.

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

"GW241011 and GW241110 are among the most novel events among the several hundred that the LIGO-Virgo-KAGRA network has ...

The annotated artist's concept illustrates the new view of the Milky Way. The galaxy's two major arms (Scutum-Centaurus and ...

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

The hypothesis is as provocative as it is fascinating. A group of scientists linked to Harvard University has reignited the ...

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

A new study suggests dark matter near the Milky Way’s center is flattened, possibly explaining its mysterious gamma-ray glow.

In a cosmic breakthrough, astronomers have detected complex organic molecules frozen in ice outside the Milky Way for the ...