Day 21 of the 2024 Space Telescope Advent Calendar: inside a chaotic nebula ... in a relatively isolated region of the Milky Way galaxy. A massive young star is responsible for the furious ...

Jamie Carter is an award-winning reporter who covers the night sky. The core of the Milky Way in Sagittarius low in the south over the Frenchman River valley at ... [+] Grasslands National Park ...

This illustration shows a stage in the predicted merger between our Milky Way galaxy and the ... [+] neighboring Andromeda galaxy, as it will unfold over the next several billion years.