The Smithsonian’s National Air and Space Museum welcomes two new acquisitions to the collection—the James Webb Space Telescope (Webb) Pathfinder and Parker Solar Probe model. The Pathfinder is a ...

Astronomers have uncovered a hidden cosmic web of galaxies and gas by mapping hydrogen light from the early universe.

Astronomers witnessed planets colliding 11,000 light-years away, an event that could shed light on the collision that created Earth's moon.

Learn about the first images of low-mass stars captured by SPARCS, a nanosatellite that could provide insight into exoplanets ...

So, it came as a shock to many people when, in 1781, it was announced that a seventh planet, the first to be discovered since ...

Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its gaseous neighbors, possibly after much of the ...

A galaxy whose light set out when Tyrannosaurus rex had just died out has been captured in striking detail by the James Webb Space Telescope.