The interior of Mars is as chunky as a delicious macadamia cookie. A new analysis of the acoustic waves that ripple through and bounce around the red planet's guts reveals that the ancient, early ...

A simulated view of Mars as it would be seen from the Mars Global Surveyor spacecraft (Unsplash via NASA) (CN) — Scientists have discovered the longest organic molecules ever found on Mars — carbon ...

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.

(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...

Frigid water helped paint Mars red and may have shaped a vast coastline, two new studies into the planet’s history reveal. Scientists have detected a possible ancient beach in Mars’ northern ...