That's because the moon is far closer to the Earth than Mars, so what you see depends on your point of view from Earth; the ...

With a radius of 2,106 miles, Mars is the seventh largest planet in our solar system and about half the diameter of Earth. Its surface gravity is 37.5 percent of Earth’s. Mars rotates on its ...

A team of scientists just discovered the longest organic molecules yet seen on Mars, the fourth planet from the Sun and and a tantalizing venue for humankind’s search for life beyond Earth.

Mars orbits at an average distance of 142 million miles (228 million km) from the sun. Its orbit is about 1.5 times the size of Earth's. Sunlight takes about 13 minutes to get to Mars, while it ...

A propulsion system that would attach to a spacecraft in Earth orbit, then carry the craft to its destination, the Sunbird has the potential to cut the journey time to Mars in half, Pulsar claims.

The finding also adds fuel to the fire to return samples from Mars so scientists can study them on Earth with more sophisticated tools, and perhaps, once and for all, determine whether life ever ...