A strange formation spotted deep within a massive Martian canyon is once again fueling debate over whether something more ...

Using ground-penetrating radar, NASA's Perseverance rover has detected underground remains of an ancient river delta on Mars ...

The Perseverance rover has found tiny crystals that seem to be rubies or sapphires inside pebbles on Mars, where they have ...

By plying its ground-penetrating radar in the depths of Mars’s Jezero Crater, this rover has found even older deltas buried beneath those seen on the surface from space ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

In one of the biggest surprises of NASA's OSIRIS-REx mission, its target asteroid, Bennu, turned out to be a jagged, rugged ...

The third interstellar object ever detected in the solar system will make a close approach to Mars, giving the opportunity for spacecraft and orbiters around the red planet to capture the interstellar ...

A pyramid-like structure first seen on Mars in 2001 has renewed debate on whether human-like creatures inhabited the planet billions of years ago. The image was captured by NASA’s Mars Global Surveyor ...

A rugged Martian landscape that resembles a vast spiderweb when seen from orbit is offering new insights into the planet’s ...

A triangular, pyramid-like structure on Mars’ Candor Chasma has sparked debate. Seen in multiple NASA images since 2001, ...