Mars Sample Return was supposed to be the crown jewel of planetary science—bringing pristine Martian rock back to Earth to ...

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

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

New findings from NASA's Perseverance rover have revealed evidence of wave-formed beaches and rocks altered by subsurface ...

Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the landscape. Mars is often portrayed as a dry, empty world, but the planet is ...

A pull in the right direction ...

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

Researchers worked out the ocean's size by finding how high the water level got in the Solar System’s largest canyon system.

New simulations show red planet affects Milankovitch cycles that shape how solar energy is distributed on Earth over millions ...

Scientists have traced ancient Martian shorelines inside a giant canyon, revealing where a vast ocean once stood and why ...

Advances in synthetic biology, planetary engineering, and ultra-low-cost launch systems have dramatically altered how ...