NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.

Just as Sun, Moon, Mercury, Venus and Mars move through the signs of the zodiac as they orbit, so do the outer planets.

Read A sky chart showing Mars, Jupiter, Saturn, and Venus in a "planet parade." Credits: NASA/JPL-Caltech On most ...

Charon is large in size relative to Pluto, and is locked in a tight orbit ... behemoth in the Larger Magellanic Cloud, a galaxy that orbits about 160,000 light-years from the Milky Way.

Griffin's upcoming debut will be the second lunar mission for Astrobotic. The company's smaller Peregrine moon lander ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

This week, NASA released the first image from the Europa Clipper spacecraft's voyage. The image is a mosaic of a star field, created from three shots the solar-powered orbiter captured in December of ...

Filmmaker Adam Nemoy helps celebrate the 90th anniversary of Pluto's discovery this month at the 6th annual 'I Heart Pluto' ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...

As someone who lives near the city, light pollution limits what I see when I look up at night. However, that doesn't mean I ...

Liftoff! NASA's Europa Clipper Sails Toward Ocean Moon of Jupiter Oct. 14, 2024 — NASA's Europa Clipper has embarked on its long voyage to Jupiter, where it will investigate Europa, a moon with ...

Jan. 7, 2025 — A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large ...