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

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

For decades, scientists have wondered whether life ever existed beyond Earth. Now, a discovery on Mars might finally bring us ...

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

An early drawing of Mars and what appeared to be canals on the surface, as drawn by Harvard astronomer Percival Lowell, 1894.

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

Mars once looked far more like Earth, with a thicker atmosphere and liquid water pooling on its surface, yet today it is a ...

This week, NASA revealed that one of its spacecraft currently in orbit around Mars has inexplicably lost signal due to an ...

Regular, alternating layers in Gale Crater may have been deposited as the result of tides raised by a moon at least 18 times ...

Cecilia Christy’s four years at Mars coincided with the girls volleyball team’s best stretch ever. The Planets made the WPIAL ...

Life loves rivers. Here on Earth, large drainage basins cover nearly half of the land surface. On Mars, they cover only about ...

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