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

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 ...

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

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

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

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

The interstellar comet 3I/ATLAS is racing away from the sun. Hubble and JWST track the object's strange composition: high CO2 ...

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

NASA has lost contact with MAVEN, a spacecraft that has been orbiting Mars for more than 11 years and one of only three ...