Which 2 space shuttles blew up?

After the disaster, Space Shuttle flight operations were suspended for more than two years, as they had been after the Challenger disaster.

Space Shuttle Columbia disaster.
STS-107 flight insignia
Date February 1, 2003
Cause Wing damage from debris
Outcome Loss of seven crew and Columbia; Space Shuttle fleet grounded for 29 months

How many space shuttles have blown up?

Four fully operational orbiters were initially built: Columbia, Challenger, Discovery, and Atlantis. Challenger and Columbia were destroyed in mission accidents in 1986 and 2003 respectively, killing a total of fourteen astronauts. A fifth operational orbiter, Endeavour, was built in 1991 to replace Challenger.

Did they find the bodies of the Challenger crew?

In March 1986, the remains of the astronauts were found in the debris of the crew cabin. Though all of the important pieces of the shuttle were retrieved by the time NASA closed its Challenger investigation in 1986, most of the spacecraft remained in the Atlantic Ocean.