Earlier research held that meteorite impacts from the solar system's early days were a major source of Earth's water.

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 ...

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

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.

NASA has revealed a terrifying glimpse into our solar system 's grizzly fate. In five billion years, scientists believe the sun will collapse, leaving behind a shell of gas and dust. When this happens ...

KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...

Astronomers have long sought evidence to explain why comets at the outskirts of our own solar system contain crystalline ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

NASA is quietly ending financial support for independent planetary science advisory groups, according to a letter posted to ...