Milky Way May Have Billions of Earth-Like Planets There could be as many as 40 billion habitable Earth-size planets in the galaxy, according to a new study. WSJ's Monika Vosough reports.

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded icy objects" thousands of light years from Earth. Takashi Shimonishi, ...

A new map of the Milky Way created by the National Astronomical Observatory of Japan shows Earth is spiraling faster and is 2,000 light-years closer to the supermassive black hole at the center ...

New research suggests that the carbon that serves as the building blocks of life "took the long way around" the galaxy before coming together to make up our bodies here on Earth. The scientists ...

Nasa is directing the James Webb Space Telescope to track asteroid 2024 YR4, whose collision risk with Earth has risen to 2.3 ...

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

This illustration shows a stage in the predicted merger between our Milky Way galaxy and the ... it was already known that the halo of gas surrounding the stars in a galaxy accounts ...