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

ESA plans to award a contract to Airbus Defence and Space, partnered with Thales Alenia Space, to build the Earth Return Orbiter mission to bring back samples of Mars to Earth. Credit: Airbus ...

WASHINGTON — House appropriators would fully fund NASA’s Mars Sample Return program despite its ongoing problems but halt the agency’s plans to cooperate with a European Mars mission. House ...