February 1 – 2003 UB313 is found to be larger than Pluto.
February 13 – The recurrent novaRS Ophiuchi erupts. The last outburst occurred in 1985.
March 9 – NASA's Cassini-Huygens spacecraft discovers geysers of a liquid substance shooting from Saturn's moon Enceladus, signaling a possible presence of water.[2]
January 19 – Australian researchers at the CSIRO Marine and Atmospheric Research centre in Hobart, Tasmania, publish experimental data that matches models of increasing sea level rising.[9]
January 15 – The Stardustspacecraft successfully completes its primary mission of returning samples of cometary and interstellar dust to Earth. Its sample return capsule touches down safely inside its intended landing area in Utah, close to the Army Dugway Proving Ground.
March 13 – Six healthy young men taking part in the first-in-man study for an anti-inflammatory drug TGN1412 in London are placed in intensive care with adverse side-effects, some suffering a life-threatening cytokine storm.[13]
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^Svoboda, Elizabeth (2006-03-10). "Saturn Moon Has Water Geysers and, Just Maybe, Life". National Geographic Society. Archived from the original on May 18, 2006. Retrieved 2009-07-06.
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^"Populus trichocarpa". Genome Portal. Joint Genome Institute. Retrieved 2015-11-06.
^"The Chinese river dolphin is functionally extinct". baiji.org. 2006-12-13. Archived from the original on 2007-01-04. Retrieved 2006-12-13.
^Owen, A. M.; Coleman, M. R.; Boly, M.; Davis, M. H.; Laureys, S.; Pickard, J. D. (2006-09-08). "Detecting awareness in the vegetative state". Science. 313 (5792): 1402. CiteSeerX 10.1.1.1022.2193. doi:10.1126/science.1130197. PMID 16959998.
^Lee, Han; Rosenstein, Rachel (December 2006). "Dr. Haifan Lin". The Yale Journal of Biology and Medicine. 79 (3–4): 187–191. ISSN 0044-0086. PMC 1994806. PMID 17940631.
^Ball, Philip (2006-01-19). "Sea-level rise is quickening pace". Nature. London. doi:10.1038/news060116-11. S2CID 128668212. Retrieved 2012-04-08.
^Crilly, Tony (2007). 50 Mathematical Ideas you really need to know. London: Quercus. p. 41. ISBN 978-1-84724-008-8.
^Reichhardt, Tony (2006-02-02). "Has NASA's press office gone too far?". Nature. Springer Science and Business Media LLC. doi:10.1038/news060130-11. ISSN 0028-0836.
^Suntharalingam, G.; Perry, M. R.; Ward, S.; Brett, S. J.; Castello-Cortes, A.; Brunner, M. D.; Panoskaltsis, N. (2006-09-07). "Cytokine Storm in a Phase 1 Trial of the Anti-CD28 Monoclonal Antibody TGN1412". New England Journal of Medicine. 355 (10): 1018–28. doi:10.1056/NEJMoa063842. PMID 16908486.