Venus and the moon will appear close together in the sky May 18. Here's how to see the celestial conjunction around the ...

Using a new technique that partly relies on artificial intelligence, researchers spotted potentially more than 10,000 new ...

Jupiter’s moon Ganymede is larger than the planet Mercury, hides a massive ocean beneath ...

NASA spacecraft Psyche has captured a stunning image of Mars ahead of a flyby on Friday (May 15).

NASA’s moon exploration plans call for nearly 80 launches, nearly 75 landers, 10 moon buggies and one nuclear reactor ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

The Artemis 2 astronauts saw several impact flashes on the moon during their epic flyby, observations that have excited ...

Sky This Week is brought to you in part by Celestron. Friday, May 15Are you familiar with the constellation Crater the Cup?

BEIJING -- Using lunar samples collected by the Chang'e 6 mission, Chinese scientists have discovered a significant shift in ...

Ganymede, Jupiter's largest moon, is also the solar system's largest satellite, even larger than the planet Mercury. It is ...

A half century after NASA's Apollo 17 lunar module lifted off the moon's northeastern near side quadrant, planetary ...

While Galileo's observations killed off the old model, we would need to wait centuries for conclusive evidence that Earth ...