Located around 600 million light-years from Earth, the black hole sat quietly in the dark space between stars.

The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

Today I want to talk about something beginning observers tend to overlook. It a process of the human eye called dark ...

Like a scene out of a sci-fi movie, astronomers using NASA telescopes have found "Space Jaws." Lurking 600 million ...

SETI combines cutting-edge radio astronomy, data science, and planetary research in a global effort to detect signs of ...

Jackie explains that a laser inside the tubes is split, bounces off mirrors, and goes straight back to sensors at the center ...

Scientists discovered one other curiosity between the relics: a faint glow at the center of the cluster. This could be a ...

Meanwhile, astronomers are keeping watch for a rare nova—a sudden explosion of a distant star—that could appear to the naked ...

Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have listened to the music of a nearby star, uncovering ...

Despite light pollution, locals have options when looking to explore the stars. The Sacramento State Planetarium, Community ...

Using the National Radio Astronomy Observatory's Very Large Array, astronomers have revealed for the first time the huge flow ...