Still, if scientists could find a way to deliver it intact, this method could give Mars the atmospheric boost it needs. For now, terraforming Mars remains a bold dream, just out of reach ...

For the past four years, NASA's Perseverance rover has rambled over a region of Mars where scientists say a strong ... but where the water came from has been up for debate, said Amanda Steckel ...

Scientists studying ... atmosphere and rapidly warming the Earth. In its journey across Mars, the Curiosity rover drilled into four areas of the Gale Crater, which was once an ancient lake. Tutolo and ...