The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

A new generation of black hole research is unfolding thanks to artificial intelligence, massive simulations, and cutting-edge ...

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

Sagittarius C lies about 200 light-years from the supermassive black hole at the Milky Way’s core. This black hole has a mass roughly four million times greater than the sun.

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before seen.

The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, ...

Milky Way viewing is at its best right now, especially if you’re in the southern hemisphere. Here's what to look out for, says Abigail Beall ...

Sauk Prairie will get a glimpse of one of the two eclipses that will occur over the next thirty days. The total solar eclipse ...