Mars may never have been warm or wet: Study
Mars never had oceans as some reachers have claimed, but instead is a cold, dry planet that was pounded by water bearing asteroids and showered with scalding rain that carved vast gullies and
Mars never had oceans as some reachers have claimed, but instead is a cold, dry planet that was pounded by water bearing asteroids and showered with scalding rain that carved vast gullies and