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

Scientists find that time on Mars runs 477 microseconds faster than on Earth, a discovery that could enhance deep-space communication and future exploration ...

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

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

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 ...

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

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

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...

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

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

NASA has lost contact with one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars ...