A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

ANSWER: Very big!! The Milky Way Galaxy is one of billions of galaxies in the known universe. The Milky Way is a spiral ...

Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

Fastest Known Planetary System May Have Been Pushed by Our Galaxy’s Supermassive Black Hole ...

Scientists mapping the bubble our solar system finds itself in made a new discovery, there is an “interstellar tunnel” that ...

This brings us to eROSITA, the Max Planck Institute of Extraterrestrial Physics' powerful space-based X-ray telescope. Led by ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...