(NewsNation) — Photos from the European Space Agency show a massive, lava-leaking scar on Mars larger than our own Grand Canyon. Dubbed the Aganippe Fossa, the 373-mile long crack in Mars ...

The InSight lander has successfully touched down on Mars, beginning a two-year mission ... It is about 81 miles long and about 17 miles wide. The mobile service tower is rolled back to reveal ...