When an interstellar comet goes behind the Sun from the Earth’s perspective, science does not hit pause it relocates. In the ...

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

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

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

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 ...

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 ...

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

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

A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on ...

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