Mars may have once possessed an ocean at least as large as Earth's Arctic Ocean, a new study suggests. Previous research ...

A rover recently captured sounds of lightning crackling on Mars, over a decade after scientists uncovered the first evidence ...

NASA has launched the Mars to Table Challenge, seeking Earth-independent food systems capable of sustaining astronauts on ...

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

This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

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

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

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

New simulations show red planet affects Milankovitch cycles that shape how solar energy is distributed on Earth over millions ...

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 ...

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...