In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly ...

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.

Jupiter’s moon Ganymede could be a vast dark matter detector, and upcoming space missions might be able to spot distinctive dark matter craters on its ancient surface. Physicists searching for dark ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

The bright stars Castor and Pollux will be positioned to the left of the moon in the early morning hours of Aug. 19. Mercury, ...

A “new” moon is when none of the Moon’s face is illuminated and the far side is illuminated instead. This happens when the ...

September 2025 offers a celestial spectacle with a total lunar eclipse visible across Asia and Africa, along with rare ...

September’s full moon is the Corn Moon, a quintessentially American name if there ever was one. But as it happens, the full moon also coincides with the second full lunar eclipse of 2025—which means ...

Plus, catch Saturn and Neptune at their brightest; spy the "string of pearls" galaxy; and a close encounter of the moon and ...