Astronomers tallying up all the normal matter—stars, galaxies and gas—in the universe today have come up embarrassingly short ...

This first-generation Nigerian American artist channels dark sci-fi on a new Afropop-influenced sonic and visual project.

Primordial black holes are the earliest black holes thought to exist, and they vanished almost as fast as they came into ...

Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth.

A mysterious black hole in a distant galaxy just woke up after decades of silence—and it’s putting on a cosmic light show!

"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time ...

A new analysis of astronomical data suggests unknown physics is at work assisting dark energy in acting almost as ...

Ansky, a once-dormant black hole, is now emitting powerful X-ray bursts, giving scientists a rare chance to study its ...

The finest ever map of the cosmic microwave background - the faint evidence of the universe's early form - has yielded ...

A new measurement finds the universe's teensiest particles weigh no more than one-millionth the mass of an electron.

Data from the Atacama Cosmology Telescope (ACT) has now given researchers new detailed images of the universe's earliest ...