Geology articles

What did the Spirit rover find on Mars?

The Mars Exploration Rover *Spirit* landed on the Red Planet with a singular, profound objective: to determine if ancien...

What evidence is there for ancient shorelines on Mars?

The ongoing investigation into the geological record of Mars frequently circles back to a profound possibility: that the...

Did ancient beaches found on Mars reveal the Red Planet once had oceans?

The long-standing cosmic question of whether Mars ever hosted vast, life-sustaining bodies of liquid water seems to be f...

Why does Io display more geological activity than Jupiter's other moons?

The innermost of Jupiter’s four massive Galilean moons, Io, is in a state of perpetual, violent turmoil, unlike its more...

What is the most geologically active of Jupiter's moons?

Jupiter's collection of natural satellites is fascinating, featuring a diverse group of worlds ranging from icy shells t...

What are the evidence of ancient shoreline on Mars?

The crimson dust that defines modern Mars belies a far more dynamic and wet past. For decades, scientists have debated t...

What is maria made of?

The vast, dark patches visible on the Moon’s surface have captivated sky-gazers for centuries. These regions, known coll...

Why are some moons geologically active?

The question of why some moons remain geologically vibrant while others are frozen, cratered relics is one of the most c...

What is the deepest impact crater on the Moon?

The most colossal scar on the surface of our nearest celestial neighbor is the **South Pole-Aitken (SPA) basin**. This i...