Lunar: A history of the moon in myths, maps and matter tells the story of the coexistence between humanity and the celestial ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

The space station and one other Easter egg — the site of NASA's next human moon landing — are hidden in this lucky photo.

Valentine's Day could bring a dazzling display of the northern lights for stargazers in some parts of the U.S.

At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.

The $10 billion orbiting observatory will give astronomers a better sense of the near-Earth asteroid 2024 YR4's size and ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...