A seemingly small planetary neighbor may play a larger role in Earth’s climate than previously thought. Mars is only about ...

Every six months, the equinox splits Earth's day almost in half. Here's how it happens—and why people have celebrated it ...

Friday brought us what we call “the first day of spring.” But announcing spring is an arbitrary declaration, as we saw by ...

Mars' gravity has a surprisingly large influence on Earth, affecting our planet's tilt and orbit and thereby contributing to climate cycles lasting hundreds of thousands to millions of years, new ...

Small but mighty, the red planet — our celestial neighbor — has made Earth’s climate what it is today. Mars’ gravitational pull serves as a stabilizing force for our home’s orbit, tilt and position ...

Stephen Kane, a professor of planetary astrophysics at UC Riverside, was skeptical when he read recent studies that showed the gravitational pull from Mars being connected to Earth’s long-term climate ...