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, ...

Earth would certainly be different without its rusty red neighbor. No Mars in the night sky, no target for future human exploration. Now, however, scientists say this scenario would result in much ...

It’s been 100 Earth years since you settled on Mars. You’ve been through pain, loneliness and a lot of hard work. And now ...