On Jan. 28, 1986, NASA faced its first shuttle disaster, the loss of the Challenger orbiter and its seven-astronaut crew. Here, Challenger's last crew – members of the STS-51L mission – stand in the ...

This week marks the somber 25th anniversary of the accident that killed seven astronauts aboard NASA's space shuttle Challenger less than two minutes into their flight, as millions of people around ...

How many times does a single event define a decade all by itself? In recent memory, it’s only really happened a couple of times, once on September 11th, 2001, and once more precisely 40 years to this ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...