See the crescent moon shine with Mars at sunset on Sept. 24. The crescent moon shines close to Mars above the western horizon ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

On Sept. 21, 2003, NASA's Galileo mission to Jupiter and its moons came to an end. After 14 years of exploration, the Galileo ...

Catch a delicate crescent moon from Sept. 23–27 and watch it pair with Spica, Mars and Antares in the west after sunset.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

Scientists at the University of Reading are helping Nasa capture images of Jupiter using remore access to the Keck telescope.

Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in the predawn sky on Sept. 19, while others will see the lunar disk pass ...

Watch the crescent moon, Venus and the bright star Regulus align in a rare predawn close conjunction tomorrow.