How many astronauts have died in space?

For many wannabe astronauts, venturing into the great unknown would be a dream come true. But it can easily turn into an astronaut's worst nightmare.

NASA holds memorial to remember 17 astronauts killed in the line of duty - NASA holds memorial to remember 17 astronauts killed in the line of duty

These Astronauts Saw Earth From Space. Here's How It Changed Them.

The Mortality of Space Explorers

How many NASA astronauts died? - Quora

List of spaceflight-related accidents and incidents - Wikipedia

Former NASA astronaut Jim McDivitt has died at 93 : NPR

Have any astronauts died in space? - Quora

Oklahomyths: The Place for Space? - 405 Magazine

Has Anyone Died In Space? A memorial to those who have lost their lives

Moon disease: Apollo astronauts more likely to die of heart problems

A cosmonaut was stranded in space. Now pop star Lance Bass tells the story.