A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on ...

Evidence is mounting that the same basic chemistry that made Earth habitable is unfolding, or once unfolded, on Mars. From ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

Perseverance rover found a rock on Mars named Phippsaksla with so much iron and nickel that it could be a meteorite.

While Mars doesn't directly control Earth's climate, its gravity subtly influences our planet's orbit and tilt over vast timescales. These predictable ...

Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's orbit and axial tilt. These variations, known as Milankovitch cycles, ...