The space shuttle's seven crew members died, including one civilian teacher. The tragedy changed the course of NASA's future. On the morning of January 28, 1986, seven crew members were killed when ...
Amazon S3 on MSN
Suppose every black hole in space exploded now
Welcome to the void. Black holes remain the most mysterious and destructive force in our Universe. And when one explodes, the devastation permanently changes the structure of the Universe. But what if ...
Civil Mentors Official on MSN
10 megaprojects that blew their budgets, from the Big Dig to the International Space Station
Some of the most ambitious projects in history were also some of the most financially disastrous. This video breaks down 10 megaprojects that exploded in cost, why their budgets collapsed, and what ...
Add Yahoo as a preferred source to see more of our stories on Google. It's been 40 years since the space shuttle Challenger exploded shortly after liftoff Jan. 28, 1986, in Florida, killing all seven ...
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