Learn how many stars there are in the Milky Way, and how astronomers count them.

The solar system is composed of the sun, eight major planets, five dwarf planets, over a hundred moons, and countless comets ...

Every one of us is unique and important, but at the same time, we’re a microscopic part of something that’s beyond ...

Sagittarius A* has been seen by human eyes with an "image produced by a global research team called the Event Horizon ...

Every one of us is unique and important, but at the same time, we’re a microscopic part of something that’s beyond ...

Using CO (J=1–0) molecular line data obtained from the 13.7-meter millimeter-wave telescope at the Purple Mountain ...

A team of astronomers have found a mysterious object in the distant universe that could be dark matter or an inactive smaller ...

NASA's Parker Solar Probe has flown into the Sun's corona. Structures known as coronal streamers and the Milky Way can be ...

Complex, intelligent life in the galaxy appears vanishingly rare, with the nearest possible civilization perhaps 33,000 light ...

The sun is located about 26,000 light-years from the center of our galaxy, aka the Milky Way, and its orbit is close to ...

Now, astronomers have found a star that may be as close as we’ve ever come to witnessing one of the primordial stars. Known ...