The Milky Way ripples like a vast cosmic wave. Gaia’s precise measurements reveal a colossal motion sweeping through the galaxy’s disc, an echo of something mysterious in our galaxy’s ancient past.

Cardiologist: 9 American foods you 'couldn't pay me to eat'—after 20 years of treating heart attacks Tension over evidence ...

Radio astronomy opens a window onto the invisible universe. While our eyes can detect visible light, countless objects in ...

Though the Milky Way is generally always visible from Earth, certain times of year are better for stargazers to catch a glimpse of the band of billions of stars. "Milky Way season," when the galaxy's ...