A TOUGH lifeform could survive the brutal conditions of Mars. That’s the verdict from scientists who spent five hours ...

A super-Earth just beyond Mars would throw all the smaller rocky ... This may suggest that even rocky, Earth-size worlds in the habitable zones (the area around a star where temperatures are ...

Mars is about 140 million miles from our cozy planet. A human mission to that cold, rocky neighbor would mean being away from Earth for about 3 years. But the things those explorers would see and ...

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 ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

Furthermore, the findings bolster the theory that the moon formed when a giant, Mars -size protoplanet slammed into the young ...

Although Mars has much the same land mass as Earth, the planet is much smaller (about half the size). Down on Mars, Curiosity gives us an incredible panoramic 360° close up look at the Namib Dune ...

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 ...