It’s the first potentially habitable world known to host an atmosphere, making it a lead contender in the search for life beyond our solar system.

We think and dream and fuss and project entire worlds into existence. Meanwhile, the earth’s orbit continues and the sun goes on shining.

The launch and recovery of the Long March 10B could represent a long-awaited breakthrough for Chinese satellite companies.

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, the country’s space agency said.

A pilot in the Afghan Air Force, he was recruited for the Soviet space program. His 1988 flight took place as the Soviets were fighting a war in his country.