Despite its small size, Mars seems to have a huge impact on the orbital cycles that govern Earth’s climate, especially those ...

Look high above the southern horizon at sunset on Jan. 25 to find the moon with its right half illuminated by direct sunlight ...

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise ...

The first of these total solar eclipses, on Aug. 12, 2026, will grace parts of Greenland, Iceland and Spain. The second, on ...

A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a ...

NASA is moving into a new phase of space exploration, with major progress across human spaceflight, science missions, and ...

On 1986, NASA's Voyager 2 spacecraft flew by Uranus. This was the first time any spacecraft had ever visited Uranus. Its twin ...

NPR's Ailsa Chang speaks to astronomer Sarah Greenstreet about her team's new discovery of the fastest-spinning large asteroid known to man.

NASA has revealed a terrifying glimpse into our solar system's grizzly fate. In five billion years, scientists believe the ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction in ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.