The crew of the ill-fated Apollo 13: Jack Swigert, Jim Lovell and Fred Haise
New NASA Administrator Jared Isaacman announced a major overhaul of the agency's Artemis moon program Friday, acknowledging that the agency's plan to land astronauts on the moon in 2028 was not realistic without another preparatory mission first to lay the groundwork.
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Secure, noise-cancelling Bluetooth earbuds that shine for exercise and everyday use on Android and iPhone
Mahjong, Sudoku, free crossword, and more: Games available on Mashable
春节假期全国铁路发送旅客 1.21 亿人次，创历史新高