SpaceX's mission remains focused on establishing a city on one of Earth's nearest neighboring planets. Musk's Starship will ...

Exploration advocates are pushing back against the planned cancellation of NASA's Mars sample return project, saying it could ...

"They need to change course." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's Perseverance Mars rover has been on the prowl within Jezero ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Data from a retired ...

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 ...