Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

Our Milky Way is home to at least 17 billion planets that are similar in size to Earth, a new estimate suggests. That's more than two Earth-size planets for every person on the globe.Just how many are ...

NASA's Hubble Space Telescope has captured a stunning new image of a galaxy that's over twice the size of our Milky Way. According to NASA, the gigantic elliptical galaxy (dubbed NGC 474) sits about ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. Most ...

The James Webb Space Telescope has upended expectations again, revealing a massive spiral galaxy in the universe’s infancy ...

New simulations reveal that the Milky Way’s odd split between two chemically distinct groups of stars isn’t a universal ...

This image provided by the European Space Agency ESA, is Gaia’s all-sky view of our Milky Way Galaxy and neighboring galaxies, based on measurements of nearly 1.7 billion stars. The map shows the ...

From your place inside the Milky Way, you are living within a galaxy that keeps a detailed chemical diary. Every star holds ...

Computer simulations and observations of nearby galaxies helped astrophysicists determine that the Milky Way stretches nearly 2 million light-years across, Ken Croswell reported in “Astronomers find ...

NASA's forthcoming Nancy Grace Roman Telescope will hunt for "cosmic orphans," starless planets that might even outnumber their orbiting counterparts in our galaxy. When you purchase through links on ...

When Peter Predehl, an astrophysicist at the Max Planck Institute for Extraterrestrial Physics in Germany, first laid eyes on the new map of the universe’s hottest objects, he immediately recognized ...

Our home galaxy is right on the border of a void so vast it's hard to picture. To get a better idea of its shape and size, a team of astronomers has mapped out the edges of this extragalactic ...