Our solar system exists in one of the Milky Way's smaller spiral arms — the Orion-Cygnus arm — which radiates out from the center of the galaxy.

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

The Milky Way's core will be visible this month and through August. Here's what Tennessee stargazers should know.

Using the Hubble Space Telescope and an array of other instruments, astronomers have probed supernova wreckage in the Large Magellanic Cloud, the galaxy next door.

Scientists have unlocked one of the solar system’s many secrets from an unexpected source: a planetarium show opening to the public on Monday. At the American Museum of Natural History last fall ...

The first test images from the Vera C. Rubin Observatory in Chile showcase thousands of previously unknown asteroids and ...

Astronomers have located a rare exoplanet on the edge of the Milky Way. The exoplanet, a gas giant named AT2021uey b, orbits a low-mass star and is located about 3,200 light-years away from Earth ...

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.

The Vera C Rubin observatory, home to the world's most powerful digital camera, promises to transform our understanding of ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...

Discover the first images from NSF-DOE Vera C. Rubin Observatory and learn about what it's new mission is for space.

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...