Mars, the red planet that is most like Earth in our solar system, once had several moons. It is thought the satellites now form part of the asteroid belt.
Think Mars is the ultimate life-harboring planet in our solar system? Think again. Recent findings from NASA indicate there may be life on not one, but two of Jupiter’s moons.
Mountain View -
Star Trek fans have reason to celebrate after learning their choice for the name of one of Pluto's smallest moon is the overwhelming favorite.
Santa Cruz -
A new study says the Earth may have had two moons in the past. According to the study, the two moons crashed into each other to form the Moon we have today. Scientists say this may explain why the two sides of our Moon are so different from each other.
Jupiter's moon Ganymede, the largest in the solar system, has layered ocean subsurface which may indicate it harbors life.
NASA
This global view of Jupiter's moon, Io, was obtained during the tenth orbit of Jupiter by NASA's Galileo spacecraft. Io, which is slightly larger than Earth's Moon, is the most volcanically active body in the solar system.
