What do you believe is the single most important factor driving up the cost of living in Nigeria?

NASA Associate Administrator Ken Bowersox answers a question during a news conference to discuss plans to return two astronauts who remain stranded at the International Space Station, at Johnson Space Center in Houston, Texas, on August 24, 2024. [AFP]

NASA admitted on Wednesday there was "tension" during meetings with Boeing executives about how to bring home two astronauts stranded on the International Space Station, but denied reports of shouting matches.

The US space agency is enlisting SpaceX to rescue the astronauts because of safety concerns with Boeing's Starliner capsule, which encountered thruster malfunctions and helium leaks on its way to the orbital outpost.

Butch Wilmore and Suni Williams launched in June for what was meant to be around a weeklong stay, but they now aren't expected back until February 2025 when the SpaceX Crew-9 mission returns.

Boeing had publicly insisted it was confident in its spaceship, but the absence of its executives from recent NASA press briefings had fueled speculation of a rift.

• Read More