Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...

Simulation results show that Mars, despite its similar size to Earth, has a considerable influence on the Milankovitch cycles ...

The first global atlas of Martian watersheds reveals 16 huge ancient river systems that once shaped Mars and may hold clues ...

A new study reveals how specialized microbes might convert Martian regolith into durable, life-supporting structures. Since ...

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

Planetary scientists recently simulated an alternate version of our solar system: one with a super-Earth causing climate chaos on Earth, Mars and Venus. If our solar system had a super-Earth, it's ...

There are two small moons in orbit around Mars today, but both may be remnants of a much larger moon that had enough of a ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

Even worse, the orbit of Mars is elliptical (think of a slight oval rather than a perfect circle), which means that sometimes ...

On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab.

Learn how Albert Einstein’s theory reveals that time on Mars runs faster than on Earth — and why that tiny shift matters for ...

Scientists reveal why time moves faster on Mars than on Earth, and how this affects future space communication and navigation ...