Having dreamed of blasting into orbit since age 5, Jessica Meir is finally set to do so in September; she'll take an Israeli flag and a pair of menorah-sporting socks with her
Astronomers from around the world, including Israel, gather to simulate global response, with focus on 2000SG344, which has a 1% chance of striking in April 2027
Researchers study Scott Kelly, who spent a year on the International Space Station, and his identical twin Mark Kelly, also a former NASA astronaut, who stayed on the ground
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