A unique phenomenon that could be mistaken for spiders scuttling across the planet's surface has been spotted on Mars, according to the European Space Agency. The ESA said in a news release that one ...

Scientists simulated the conditions of Mars in a lab to observe how blocks of carbon dioxide "dug" their way through the ...

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 ...

Mars may be drenched beneath its surface, with enough water hiding in the cracks of underground rocks to form a global ocean, new research suggests. The findings released Monday are based on seismic ...

The investigation into the Mars helicopter Ingenuity accident has found that the "lack of surface texture gave the navigation ...

A new study from NYU Abu Dhabi has found that high-energy particles from space, known as cosmic rays, could create the energy needed to support life underground on planets and moons in our solar ...

The Chinese Tianwen-1 orbiter has completed imaging the entire surface of Mars, the China National Space Administration (CNSA) announced this week. The orbiter, which traveled to Mars along with the ...

All evidence points to the fact that Mars once had flowing water, but numerous flybys, orbiters, landers and rovers have confirmed one undeniable fact — any liquid water that was once on its surface ...

MOUNT SHARP, MARS - JANUARY 2015: In this handout provided by NASA/JPL-Caltech/MSSS This self-portrait of NASA's Curiosity Mars rover shows the vehicle at the "Mojave" site, where its drill collected ...