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 extent to which Mars is quietly tugging on Earth's orbit and shaping the ...

"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?" When you purchase through links on our site, we may earn ...

Mars is half the size of Earth, with a tenth of our planet's mass, and at the nearest point in its orbit is over 33 million miles away. Yet new research highlights the extraordinary influence the red ...