A rare astronomical alignment on April 7, 2025, presented NASA with a unique chance to study the atmosphere and rings of ...

The Smithsonian Astrophysical Observatory (SAO) is launching a nationwide strategic investment in the future of rural ...

Uranus is an ice giant planet with a thick atmosphere over a hot mantle of water, ammonia, and methane ices. Humanity has ...

A new survey of distant galaxies undertaken by the James Webb Space Telescope (JWST) is revealing new secrets of the "cosmic noon"—when galaxies in the young universe underwent something of an awkward ...

Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also ...