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

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.

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

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

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 ...

It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an ...

Astronomers using Hubble imaged the largest protoplanetary disk ever observed circling a young star. The disk is nicknamed “Dracula’s Chivito.” ...

NASA’s Hubble Space Telescope has directly imaged similar catastrophic collisions in a nearby planetary system around another star, Fomalhaut.

Winds, waves, and ice near a remote town on the Chukchi Peninsula have sculpted a series of coastal inshore lagoons that resemble an icon of winter.

These partial maps of the heliosphere’s boundaries were compiled from first-light data from the IMAP-Hi, IMAP-Lo, and IMAP-Ultra instruments. These initial looks offer a first glimpse at the detail ...