Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

House G.O.P. Floats Medicaid Cuts and More to Finance Trump’s Huge Agenda President Trump wants a massive tax cut and immigration crackdown bill. Republicans must decide what to cut to help pay ...

In 2025, one might assume that all types of stars in the Milky Way have been cataloged, yet the universe continues to surprise us. In 1953, American astronomer Alan Sandage revolutionized our ...