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

Mars not only had rivers, but also a huge ocean billions of years ago. Scientists have now found evidence of a large body of ...

Mars had an Arctic-sized ocean, and scientists are only now beginning to see the outline of it. For a long time, the planet ...

New research suggests Mars was once a blue planet, as scientists identify river deltas and signs of a vast ancient ocean on ...

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 ...

Researchers worked out the ocean's size by finding how high the water level got in the Solar System’s largest canyon system.

Mars, now a dusty world of rusted rock and thin air, once carried enough water to transform its face into something far more ...

Boffins from the University of Bern used high-resolution images captured from camera orbiting Mars showed geomorphological ...

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

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if Mars weren't there?" ...

Astronauts orbiting the Earth are drilled to deal with the worst possible scenarios. That includes having to leave a doomed ...