Were Challenger Crew Alive After Explosion?

At least some of the crew were alive and at least briefly conscious after the breakup, as three of the four recovered Personal Egress Air Packs (PEAPs) on the flight deck were found to have been activated.

Were the bodies of the Challenger astronauts recovered?

The National Aeronautics and Space Administration said today that it had recovered remains of each of the seven Challenger astronauts and had finished its operations to retrieve the wreckage of the space shuttle's crew compartment from the ocean floor.

Did Columbia crew know they were gonna die?

The seven astronauts aboard the doomed space shuttle Columbia are likely to have known they were going to die for between 60 and 90 seconds before the craft broke apart, Nasa officials said yesterday.