The nine-month-long space saga for two NASA astronauts is nearing an end as the pair are finally on heading back to Earth. Sunita Williams and Butch Wilmore were stranded in space since June 2024.

ET By Jackie Wattles, CNN Editor's note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN) — NASA’s ...