Mars is about half Earth’s size and roughly a tenth its mass — not really the sort of planet you’d expect to leave ...

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 ...

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

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 ...

Mars looks familiar from afar, but surviving there means creating a protective oasis in a hostile world. Instead of shipping ...

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

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

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

Mars is a very dry planet with very little water in its atmosphere and hardly any clouds, so you might not expect it to have storms. Yet, there is lightning and thunder on Mars – although not with ...

Scientists propose using ice as a building material for Mars habitats, offering protection from radiation while allowing ...

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 ...