China's prototype space station Tiangong-1 crashed in the Pacific Ocean, according to the country's space agency.
The spacecraft re-entered the earth's atmosphere at 00:15 GMT (0545 hrs IST) on Monday over the South Pacific and mostly burnt up on re-entry, China's state-run news agency Xinhua confirmed.
The US military too confirmed the re-entry of Tiangong-1 with a statement from its Joint Force Space Component Command (JFSCC).
"UPDATE: #JFSCC confirmed #Tiangong1 reentered the atmosphere over the southern Pacific Ocean at ~5:16 p.m. (PST) April 1. For details see https://bsmedia.business-standard.comwww.space-track.org @US_Stratcom @usairforce @AFSpaceCC @30thSpaceWing @PeteAFB @SpaceTrackOrg," a tweet from 18 Space Control Squadron (18SPCS) said.
The 10.4-metre-long (34.1-foot) Tiangong-1, or Heavenly Palace 1, was launched in 2011 to carry out docking and orbit experiments as part of China's ambitious space programme, which aims to place a permanent station in orbit by 2023, The Guardian reported.
It was originally planned to be decommissioned in 2013 but its mission was repeatedly extended.
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However, China told the United Nations last year that the space lab "ceased functioning" in March 2016, without giving any reasons.
In September 2016, the country successfully launched Tiangong-2 space lab, which was put into orbit.
In 1979, the National Aeronautics and Space Administration's (NASA) first space station, Skylab fell to Earth during its re-entry to the atmosphere, burning up harmlessly in the process.
The last space lab to fall to Earth was Russia's 135-ton Mir space lab in 2001.