The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

By comparison, Mercury, and Venus are moonless, Earth has one moon, and Mars has two. Uranus and Neptune have 28 and 16 known moons, respectively. Despite not technically being a planet anymore ...

36,706 people played the daily Crossword recently. Can you solve it faster than others?36,706 people played the daily ...

The ringed giant's moons also vary considerably in size. The largest, Titan, is bigger than the planet Mercury, while the smallest is no larger than a sports arena, according to NASA. Seven of ...

The new Maps feature label images of our moon, Mercury, Venus, Pluto, the International Space Station, and a number of icy moons that orbit ... mission at the ringed planet in September) and ...

However, not all of those celestial bodies survived, and a new analysis of a the meteorite NWA 15915 shows that it likely originated from a world that was similar to Mercury in its composition—but not ...

This is particularly puzzling, as a vast majority of meteorites can be traced to some well-known parent body—whether that be ...

New moons are invisible unless the moon passes ... A day after the moon reaches its new phase it will occult the planet Mercury as seen from locations in the eastern Indian Ocean, Australia ...

Ruled by Mercury, the planet of the mind, full moons in Virgo can also stir up the tendency to overthink and worry. Because ...