A crater on Mars has a bright patch of ice. It's the second time in over a decade that the crater and ice has been observed ...

Pigmented algae are well adapted to grow on exposed ice in the Arctic as the snowline recedes, raising concerns of a feedback ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Mars is often seen as a barren, rust-colored wasteland, but NASA’s Curiosity rover has just revealed a surprising burst of ...