Have you ever wondered how astronomers manage to map out the Milky Way when it's so incredibly vast? One of the most powerful tools is something called 21 cm radiation. Hydrogen, the most abundant ...

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 ...

New research from a team at the Harvard Center for Astrophysics suggests that the Large Magellanic Cloud, a dwarf galaxy neighboring the Milky Way, hosts a gravitational structure hundreds of ...

Astronomers have observed a flare of light near Sagittarius A, the supermassive black hole at the centre of the Milky Way galaxy. These bursts happen daily; some last seconds, others shine for a ...

NASA astronaut Don Pettit captures a breathtaking photo of the Milky Way from the ISS, highlighting the stunning view of our galaxy. As part of Expedition 72, Pettit and his team conduct crucial ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers using ...

Now imagine doing that on a cosmic scale." A mysterious, one-off flash of energy from an unknown object outside the Milky Way has left astronomers puzzled. The research team, led by Steven ...

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 ...

So Gaia is a spacecraft that was launched by the European Space Agency way back in December of 2013. And it was on a mission to create the best, biggest, most accurate map of the Milky Way ever.

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.