A new NASA mission to map the solar wind has returned some of its first images from its position in low Earth orbit. The ...

This gas, though difficult to observe due to its low density, extends up to 700,000 light-years and reaches ... expands and ...

Deep observations from the James Webb Space Telescope (JWST) have revealed an exceptionally large galaxy in the early universe. It’s a cosmic giant whose light has travelled over 12 billion years to ...

The Milky Way galaxy has a large halo, a central bulge and bar, a thick disk and a thin disk ... studied stars in the solar neighborhood, about 3,200 light years around the sun.