What are the decomposers in the underwater ecosystem? A: The decomposers in an underwater ecosystem are animal-like organisms called protists, fungi and bacteria. Referred to as saprotrophs, these organisms decom... Full Answer >
On 1 February 2003 the space shuttle Columbia exploded as it was attempting re-entry after a 16-day mission. All seven astronauts on board, including the first Israeli in space, were killed. Tributes to the astronauts were led by US President George W Bush.
Jan. 28, 1986: Challenger disaster plays out on live TV. The excitement lasted only 73 seconds. On January 28, 1986, 1 minute and 13 seconds after liftoff, space shuttle Challenger exploded as thousands watched the launch in person and on television. All seven astronauts on board were killed. It became one of the most iconic live breaking news events in television history.