During the opposition, Mars will be at its closest approach to Earth for the year and will be fully illuminated by the sun.

Researchers believe dark rocks at the site of a future Mars rover landing mission may be left over from ancient volcanic eruptions, and may be protecting signs of life — if there ever was life ...

What might it be like to live on Mars? Bjarke Ingels Group — the architects behind the designs for Two World Trade Center in Manhattan and the Hyperloop One — has an idea. The firm is ...