Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. NASA is seeking ...

NASA has announced an overhaul to its plan to bring samples from Mars back to Earth. Agency officials have decided to scrap parts of their original plan to cut down on the difficulty and cost. Instead ...

NASA's complex plan to return rocky samples from the Red Planet has faced scrutiny for increasing cost and delays. Reading time 3 minutes The findings from an independent review board suggest that ...

Congress should establish a level playing field for personal choice and genuine market competition among health care plans and providers, thereby enabling Americans to secure better value for their ...