It is up to 400 light-years deep and 9,000 light-years long, undulating nearly a tenth of the way across the Milky Way's diameter. At its closest to us, the wave is just 500 light-years away.

Spanning about 9,000 light-years (or about 9% of the galaxy's diameter), the unbroken wave of stars begins near Orion in a trough about 500 light-years below the Milky Way's disk. The wave swoops ...

NASA/CXC/SAO/E.Bulbul, et al. and NASA's Goddard Space Flight Center/Stephen Walker et al. An international team of astronomers has discovered a vast wave of hot gas twice the size of the Milky Way.

This illustration shows data from the Radcliffe Wave, indicated in red, superimposed on an artist's rendering of the Milky Way galaxy. Scientists reported that this massive structure of star ...

This wave is about twice the size of our Milky Way Galaxy and scientists think they know what caused it. Billions of years ago a small galaxy cluster must have grazed Perseus causing the massive ...

Astronomy Space photo of the week: The chaotic heart of the Milky Way like you've never ... diffraction spikes because of the way light travels as a wave from the 18 hexagonal mirrors in the ...

These spiralling signals blinked on and off in a way never seen before, leaving astronomers with quite the mystery on their hands. Some mysterious object deep within ... of our Milky Way galaxy.

A simulated map of the Milky Way as it would appear in gravitational waves has given a powerful impression of what future space-based detectors will observe. Over 90 gravitational-wave events have ...

Astronomers have discovered that the Milky Way is a star-maker. A titanic wave of star-forming gases is now being studied. Harvard University scientists reported Tuesday that this massive ...