Mars is not just a colder, dustier version of Earth. It is a planet soaked in high‑energy particles that batter rock, metal, ...

Mars has long been painted as a dead world of dust and radiation, a place where human visitors would survive only inside ...

A new study has revealed that the iconic Black Beauty meteorite contains much more hidden water than previously suspected.

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if Mars weren't there?" ...

A pull in the right direction ...

On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab. Everything is wired together so well that you rarely think about the ...

Despite its small size, Mars seems to have a huge impact on the orbital cycles that govern Earth’s climate, especially those ...

As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the extent to which Mars is quietly tugging on Earth's orbit and shaping the ...

For anyone curious about what it's like to stand on another planet, Earth offers a few convincing previews. Mars may be 140 ...