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 ...

Mars' gravity has a surprisingly large influence on Earth, affecting our planet's tilt and orbit and thereby contributing to climate cycles lasting hundreds of thousands to millions of years, new ...

Earth–Venus–Mars opportunity looks promising. 10–15 on-orbit refueling operations may be needed to make a crewed ship full.

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

The crucial manoeuvre scheduled for Friday will use the gravity of Mars to shift Psyche onto the right path, a faster and cheaper method NASA scientists say could help unlock clues about the birth of ...

Scientists have broadly agreed for years that the thousands of small cone-shaped mounds peppering Mars’ northern lowlands are ...

18 months into her mission to discover a habitable zone on the Red Planet, NASA's Curiosity rover has at last looked back to the inhabited zone of all humanity and snapped her 1st image of all 7 ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

On 13 November, the Escape and Plasma Acceleration and Dynamic Explorers (EscaPADE) mission launched to space on the New Glenn rocket provided by Blue Origin. The X-37B Orbital Test Vehicle (OTV) has ...