Mars, long admired for its rusty hue and alien deserts, may play a far greater role in shaping life on Earth than once ...

Scientists have unveiled the most comprehensive map yet of the hidden landscape beneath Antarctica's colossal ice sheet, ...

Mars not only had rivers, but also a huge ocean billions of years ago. Scientists have now found evidence of a large body of ...

Astronauts orbiting the Earth are drilled to deal with the worst possible scenarios. That includes having to leave a doomed ...