Neptune is an ice giant, composed primarily of hydrogen, helium, and methane, with a hot, dense fluid of icy materials above a small rocky core. Neptune has 14 known moons and at least five main rings ...

1. The image was acquired on October 15, 2022, when the spacecraft was 380,000 miles (620,000 kilometers) from Earth. 3. The image was captured in 2024 when the moon passed between the earth and sun ...

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.

After spending 434 days in space, the crewless Space Force craft returned to Earth on March 7, landing at California's ...

A mission to survey the results of a deliberate crash between an asteroid and a NASA spacecraft has taken stunning images of ...

NASA and SpaceX made another attempt on Friday to send a crew up to the International Space Station (ISS) and begin the ...

The $488 million Spherex mission aims to explain how galaxies formed and evolved over billions of years, and how the universe ...

NASA's two stuck astronauts are just a few weeks away from finally returning to Earth after nine months in space.

As it nears 35 consecutive years of space service, the NASA/ESA Hubble Space Telescope has taken another look at a famous ...

The postponement, driven primarily by thick clouds, was the second scrub of the flight since an issue with the rocket on ...