A mishap during the successful Nov. 27 launch of three astronauts damaged the only pad that currently supports Russian crewed orbital liftoffs. How long before things are back up and running again?

A major bridge linked to a hydropower plant in southwestern China crumbled on Tuesday, chunks of concrete and steel smashing into the river below—mere months after it had reopened. The Hongqi Bridge, a key stretch of the G317 national highway in Sichuan’s mountainous Maerkang area, gave way in dramatic fashion, Chinese state media revealed. Officials confirmed the disaster but stressed, luckily, no deaths or injuries. Truth is, they’d already spotted trouble brewing. Cracks had spiderwebbed acro

Satellite space quiz: What's orbiting Earth?