Four astronauts returned to Earth from the International Space Station on Thursday after hurrying there eight months ago to replace an ailing colleague and his crew.
Elon Musk's rocket company SpaceX will make its debut on Wall Street Friday and both institutional and retail investors are expected to gobble up the 555.6 million shares going up for sale at $135 apiece.
SpaceX got within a half-minute of launching its newest and biggest Starship on a test flight Thursday evening before a cascade of problems halted the countdown.
The initial public offering is expected to rank among the largest ever, possibly surpassing the current title holder, Saudi Aramco, the oil giant that went public seven years ago.
Elon Musk's space exploration company has filed preliminary paperwork to sell shares to the public, according to two sources familiar with the filing.
NASA's Mike Fincke identified himself Wednesday as the astronaut whose medical condition prompted the space agency's first medical evacuation.