Mars, once a much wetter and more dynamic planet, is now a dry and inhospitable desert. The mystery of how the red planet ...

Did you know: While Mars may appear round, its true shape is subtly stretched and uneven, a product of its unique geological past and internal dynamics.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Are there thunderstorms on Mars? – Cade, age 7, ...

Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the planet's violently varying tilt may be a key factor. When you purchase ...

The Deuteronilus Cavus crater has been shaped by water, wind, ice and volcanic erosion over billions of years, showcasing Mars' dynamic past. When you purchase through links on our site, we may earn ...

Nilton O. Rennó receives funding from NASA, JPL, DARPA, and IARPA. Mars is a very dry planet with very little water in its atmosphere and hardly any clouds, so you might not expect it to have storms.