"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

Moon along with Mercury; Earth's neighbours Venus and Mars; Jupiter and Saturn will align in a straight line and will be ...

Ice moons such as Jupiter’s Europa and Saturn’s Enceladus are currently ... with a total volume of water twice that of all Earth’s oceans, despite this moon being considerably smaller ...

They are more commonly referred to as the Galilean moons of Jupiter owing to the fact that they were discovered by Galileo. The four Galilean moons – Io, Europa, Ganymede and Callisto – are ...

Here's what January's new moon means for your zodiac sign, according to celebrity astrologer Kyle Thomas. It rises on Jan. 29 ...

A very rare parade of planets is happening right now. Here are the planets that will be visible tonight and where to look for ...

Here's everything to do and avoid to make the most of the new moon on Jan. 29, according to astrologer Nina Kahn.

The moon will pass closely by Jupiter this evening (Jan. 10), meeting up with the gas giant in the constellation Taurus. The moon will pass closely by Jupiter this evening (Jan. 10), meeting up ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

There are currently 92 moons known to orbit Jupiter. The four largest – Io, Europa, Ganymede and Callisto – were discovered by Galileo Galilei in 1610 when he pointed the first astronomical telescope ...

On this date, Jan. 17, 2002, the Galileo probe made it’s 33 rd pass of Jupiter’s moon, Io. After Voyager 1’s pass in 1979, Io was dubbed the most volcanically active place in the solar system.