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 ...

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

Recent discoveries have shed new light on the history of Mars, revealing evidence of ancient underground water that suggests the planet may have been habitable for longer than previously believed.

Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These ...

Camille Flammarion's work imagined what might exist beyond Earth in the universe. Three Lions/Hulton Archive via Getty Images Living in today’s age of ambitious robotic exploration of Mars, with an ...

This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Matthew Shindell, Smithsonian Institution (THE CONVERSATION) Living in today’s age of ...