Lockdown Again? China's Xi'an Residents Ordered to Remain Indoors Beginning Today as the City Faces Dual Epidemic Threats Medicine & Technology Dec 23, 2021 As Beijing prepares to host the 2022 Winter Olympics in February, China is on heightened alert as it combats local outbreaks in several cities including the city of Xi'an.
Space Weather Alert: NOAA Warns of a Solar Radiation Storm With 60% Chance of Hitting the Earth This Week
SPACE Helium Leak Delays Boeing’s Astronaut Launch Attempt for the Second Time; Crew Debut Set on May 21 After Spacecraft Repair
SPACE Bizarre Planet 'WASP-193b' Found To Have the Density of Cotton Candy Despite Its Enormous Size, Making It Second-Least Dense Exoplanet Ever Discovered