A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

March's full moon, known as the Worm Moon, will bring a stunning total lunar eclipse, turning the Moon a deep reddish hue in ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

Astronomers have uncovered new evidence that Jupiter’s moon Callisto likely harbors a massive underground ocean, potentially ...

A total eclipse of the Moon is the highlight of this month ... The shadows of Ganymede and Europa cross the face of Jupiter together March 11/12. At the time shown here, Io has just emerged ...

Sky This Week is brought to you in part by Celestron. Friday, February 28Venus is a prominent fixture in the evening sky, still hanging on at magnitude –4.8 and setting nearly three hours after the ...

Relive Mail Sport's live blog for the latest score, team news and updates from the two Sunday Premier League games of Chelsea ...

Discover how NASA JPL is pushing additive manufacturing boundaries. Insights from Dr. Ryan T. Watkins await at the AMUG ...

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

March's full "Blood Worm Moon," a phenomenon that makes the moon appear red during a total lunar eclipse, is visible this week for Americans and others in Earth's Western Hemisphere. The full moon ...