Wondering what planets are visible right now? Jupiter and Venus are meeting up in the sky, at least from our vantage point.

A planetary conjunction takes place when two or more planets seem to align closely in the sky as viewed from Earth, despite ...

The Perseid meteor shower may be an annual event for Earth, but the comet responsible for the meteors hasn’t been near our planet in decades. NASA says: "The meteors are debris ...

Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune — will briefly appear in the sky on the same night, starting Sunday (Aug ...

Successful tests of NASA's REASON radar during a Mars flyby confirm its readiness to explore Europa's icy surface and search ...

Hubble Space Telescope images of Jupiter have been "photo-mapped onto a sphere," and animated into a full rotation, according ...

This week, skygazers have two celestial events to be excited about, with a Jupiter-Venus planetary conjunction and the Perseid meteor shower peak.

The Lucy spacecraft is already well on its way to Jupiter's Trojan asteroids. But that doesn't mean that it can't make some ...