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 ...

The Lyrid meteor shower, one of the oldest in history, will peak on April 21–22 but remains visible across India until April ...

A new University of Kansas survey of distant galaxies using the James Webb Space Telescope reveals never-before-seen star ...

We were doing the typical planet vetting, and I happened to spot this signal that appeared very unusual.” An orbiting ...

While it's much smaller than the largest supermassive black holes detected, it's still a whopper considering how early in the ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...