Looking for a sky event this week? Check out our full Sky This Week column. November 3: Venus and Spica, side by side Tonight ...

The moon, just hours past its last quarter phase, will rise above the east-northeastern horizon shortly before midnight local time. Shining about 6 degrees to its right will be Jupiter, the largest ...

The European Space Agency's JUICE spacecraft will study interstellar comet 3I/ATLAS twice during November, 2025. The Jupiter-bound probe will make its closest approach of 64 million kilometers on ...

The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

This weekend, the moon will work together with two planets to put on a sky show worth pulling out a telescope for. Jupiter and Saturn will align, with the moon appearing at a different point between ...

Jupiter will soon end its brilliant year-long showing on consecutive evenings with a rendezvous with an exceedingly thin and very young crescent moon. Indeed, for the first opportunity on Tuesday, May ...

WASHINGTON -- Scientists said they have found evidence of water in the atmosphere of Jupiter's icy moon "Europa." NASA said its Hubble space telescope observed the presence of persistent water vapor ...

The Earth's Moon is its only one, but scientists recently discovered a new celestial body that will be staying near the planet for the next several decades.

This is a day-old moon from Feb. 19, 2015 low in the western sky shortly after sunset. Notice that the entire outline of the moon is faintly visible. This is caused by sunlight reflecting off the ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.