Mars, now a dusty world of rusted rock and thin air, once carried enough water to transform its face into something far more familiar. New mapping of ancient river systems indicates that a vast ...

NASA's Jet Propulsion Laboratory says Perseverance's new image is "one of the sharpest panoramas of its mission so far." When you purchase through links on our site, we may earn an affiliate ...

Sir David Attenborough narrates this critically acclaimed series that dives deep into the marine environment of Planet Earth. Although two-thirds of the world's surface is covered with water, ...