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

Two icy moons of Jupiter, though neighboring and of similar size, exhibit radically different internal structures. A new ...

NASA have found something new moving in our Solar System. Even thought it's not water, still a phenomenon worth of time ...

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

At last count, Jupiter has 95 moons, but the four main ones — Ganymede, Callisto, Io and Europa — were discovered in 1610 by famed Italian astronomer Galileo Galilei.

Life outside the Earth is one of the biggest "what if" in history, but NASA is trying to put a end to the discussion - or add more to it - with this new world.

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

At the time of this writing, June 23, Jupiter was about half a degree left of the afternoon Sun and due to pass behind it ...

At this time, the sun shines at such an angle to make it appear as if there is a gigantic 'V' and 'X' marking the barren ...

YR4 made headlines earlier this year when its probability of impacting Earth in 2032 rose as high as 3%. While an Earth ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

There will be several chances to see the shadow of Saturn's largest moon, Titan, pass across the ringed planet's Earth-facing ...