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 ...

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.

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

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 ...

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

The supermassive black hole imaged by the EHT is located in the center of the elliptical galaxy M87, located about 55 million light years from Earth. This image was captured by FORS2 on ESO's Very ...

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 ...

On July 3, 2025, NASA astronaut Nichole Ayers captured a rare gigantic jet from the ISS—lightning shooting from a storm top into the upper atmosphere.