New Hubble and ground-based observations allowed astronomers to track the influence of a recently discovered companion star around Betelgeuse.

Jupiter is at its biggest and brightest all year, the Moon and Saturn pair up, and the Beehive Cluster buzzes into view.

Developed using data from the SWOT (Surface Water and Ocean Topography) satellite, this resource makes it possible to estimate river discharge, defined as the ...

The colorful formations found in this bowl-shaped escarpment in southwestern Utah are the centerpiece of Cedar Breaks National Monument.

A team using Hubble uncovered a new type of astronomical object — a starless, gas-rich, dark-matter cloud, a remnant of early galaxy formation.

Read the story of these planet-hunting pioneers, who went on to find 70 of the first 100 exoplanets ever discovered. The official number of exoplanets — planets outside our solar system — confirmed by ...

247th American Astronomical Society (AAS) Meeting247th American Astronomical Society (AAS) Meeting Join NASA in the Exhibit Hall (Booth #401 for Hyperwall Storytelling by NASA experts. Full Hyperwall ...

Mars Polar Lander was an ambitious mission to set a spacecraft down on the frigid terrain near the edge of Mars' south polar cap, and dig for water ice with a robotic arm. Piggybacking on the lander ...

NASA's Mars Reconnaissance Orbiter blasted off from Cape Canaveral in 2005, on a search for evidence that water persisted on the surface of Mars for long periods of time. While other Mars missions ...