In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of a huge number of faint stars. For the next 300 years, astronomers assumed that the ...

Credits: National Science Foundation/Keyi “Onyx” Li; Lia Medeiros, Institute for Advanced Study, CC BY 4.0, via Wikimedia Commons. The supermassive black hole in the heart of the Milky Way Galaxy, ...

The supermassive black hole at the center of the Milky Way appears to be having a party—and it is weird, wild and wonderful. Using NASA's James Webb Space Telescope (JWST), a Northwestern ...

Sagittarius A* is the supermassive black hole at the center of our home Milky Way galaxy. It has a mass equal to billions of suns and has an accretion disk made up of gas and dust surrounding it.

Astronomers using NASA’s James Webb Space Telescope (JWST) have taken a detailed look at the supermassive black hole at the center of our Milky Way, called Sagittarius A*. They found that the swirling ...

Using the James Webb Space Telescope (JWST), scientists discovered that the Milky Way's central supermassive black hole, Sagittarius A* (Sgr A*), is constantly streaming out flares without respite.

The universe is full of wonders, but few are as mesmerizing as the unpredictable brilliance of a supermassive black hole. At the core of the Milky Way, 26,000 light-years from Earth, Sagittarius A* ...

Space scientists say the supermassive black hole at the center of the Milky Way appears to be having "a party." A team of astrophysicists has gained the longest, most detailed glimpse yet of the “void ...

Using NASA's James Webb Space Telescope, Northwestern astrophysicists gained the longest, most detailed glimpse yet of the supermassive black hole at the center of the Milky Way. They found the ...

The observations detailed the extreme environment in the immediate vicinity of Sagittarius A* (pronounced A-star), the supermassive black hole at the center of the Milky Way. Sagittarius A* is ...