NASA Animation Shows What Mars Looked Like Billions of Years Ago

A new animation by NASA Goddard's Conceptual Image Lab shows that four billion years ago, Mars may have looked much more similar to Earth than the barren, desert-like Mars we know today.

The animation is based on previous NASA findings of mineral presence and patterns inside craters that suggests there was once water flowing on our solar system neighbor

"Billions of years ago, when the Red Planet was young, it appears to have had a thick atmosphere that was warm enough to support oceans of liquid water — a critical ingredient for life," NASA explained in the video's YouTube description Read more...