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

Earth’s ice ages have long been blamed on subtle wobbles in our own orbit, but new research suggests a distant accomplice is ...

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...

Researchers uncover how Mars affects Earth’s orbit, offering new insight into the planetary forces behind ice ages.

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 ...

Scientists have identified another possible commonality between Earth and Mars: a solid inner core. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

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 ...

A team of scientists just discovered the longest organic molecules yet seen on Mars, the fourth planet from the Sun and and a tantalizing venue for humankind’s search for life beyond Earth. Mars today ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...