Families of the astronauts lost in the space shuttle Challenger accident gathered back at the launch site Thursday to mark ...

Seven astronauts lost their lives during the Challenger space shuttle disaster on Jan. 28, 1986. Four decades later, human ...

It was inherently risky, and space exploration continues to be so,” FSU history professor Ronald Doel said, referring to the Challenger mission.

Executives in the fledgling commercial U.S. space industry are bracing for increased scrutiny and oversight after two accidents last week, including one that killed a pilot, but say they view the ...

(CNN) — Here’s a look at space accidents that have affected astronauts or other staff related to spaceflight. Accidents that involved unmanned spacecraft are not included. October 24, 1960 – The first ...

Today, we're taking a close look at 10 of the worst space exploration accidents. Instead of focusing solely on the loss of life to determine what is worst, we'd like to take a two-pronged approach ...

Families of the astronauts lost in the space shuttle Challenger accident are marking that tragic day 40 years ago ...

CAPE CANAVERAL, Fla. (AP) — Families of the astronauts lost in the space shuttle Challenger accident gathered back at the launch site Thursday to mark that tragic day 40 years ago. All seven on board ...

Challenger Accident Anniversary Jane Smith-Wolcott, center, widow of Challenger pilot Michael Smith puts a flower on a memorial during NASA's Day of Remembrance for the 40th Anniversary of the ...