They slip through your skin, your walls, and the whole Earth without leaving a mark. Neutrinos earn the nickname “ghost ...

Add Yahoo as a preferred source to see more of our stories on Google. On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

Large-scale map (330,000 light years side length) of the density of the 217 million stars from the Gaia DR3 XP sample in Galactocentric Cartesian co-ordinates. Credit: F. Anders, Universitat de ...

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. You’ve probably heard of space telescopes like Hubble and the James Webb. They’re famous for giving us breathtaking ...

At least that's what the most current map shows. Astronomers have mapped the most extensive atlas of our Milky Way galaxy yet, including the positions of each and every one of those stars. The ...

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on. After more than a decade of mapping the stars, the European spacecraft was ...

Scientists created the most accurate three-dimensional map of star-formation regions in our Milky Way galaxy, based on data from ESA's Gaia space telescope. This map will teach us more about these ...

After more than a decade of mapping billions of stars across the Milky Way and beyond, a groundbreaking spacecraft is retiring. The European Space Agency’s space-based observatory known as Gaia is ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The European Space Agency’s (ESA) Gaia space telescope has ...

What if the Milky Way’s central “black hole” isn’t a black hole at all? A new model proposes that an ultra-dense dark matter core could mimic its gravitational pull.

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its thrusters to leave Earth behind, and slipped into an orbit around the Sun, ...