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.
When space travel goes wrong â Three Soviet cosmonauts were found dead in their Soyuz 11 spacecraft after an apparently normal landing in June 1971. When space travel goes wrong â Seven crew members aboard the Space Shuttle Challenger were killed in January 1986 when the spacecraft exploded shortly after takeoff.