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

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

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 ...

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

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, visible across North and South America. Venus remains very bright and transitions from evening to morning late in the month. Mercury joins ...

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 ...

The findings can help scientists better understand the inner workings of the moon. The forthcoming Europa Clipper mission, expected to be launched in the mid-2020s, will give scientists a close look ...

The spacecraft will pass just 884 kilometers above the Red Planet in a pivotal step in the spacecraft's journey to the Jupiter system, where it aims to explore the icy moon Europa. The manoeuvre will ...

Now, the autonomous lander has captured a truly jaw-dropping view as it records a unique close-up of the moon. In an incredible video, you can see the distant Earth rising and setting behind the ...

Astronomers are excited to be poring over the first ever detailed geological map of the moon’s south polar region, where India’s Chandrayaan-3 lunar module, Vikram, touched down on August 23 ...