2013 Event NASA discovers Asteroid 2013 TV135, which has a 1 in 63,000 chance of colliding with the earth in 2032 2012 Event For the first time, Curiosity, the Mars rover, discovers what could be determined as direct evidence of a fast-moving stream bed, a prior watersource, on Mars 2012 Event London-based Tullow Oil discovers oil in Kenya 2012 Event An amateur astronomer in Peterborough, England, discovers a new, Neptune-sized exoplanet 2010 Event A professor searching into medical records of playwright Bertolt Brecht discovers he may have died after contracting undiagnosed rheumatic fever as a child 2010 Event A Southampton University research fellow discovers a lost Antonio Vivaldi flute concerto at the National Archives of Scotland in Edinburgh 1993 Event Jean Mueller discovers comet Mueller/1993a 1992 Event Tsuruhiko Kiuchi discovers comet Swift-Tuttle 1992 Event David Lewett and Jane Luu discovers comet: "1992 QB1" 64 mil km from Sun 1992 Event Peter Collins discovers nova Cygni 1992 1989 Event Voyager 2 discovers 2 partial rings of Neptune 1980 Event Voyager 1 space probe discovers 15th moon of Saturn 1979 Event Pioneer 11 makes 1st fly-by of Saturn, discovers new moon, rings 1974 Event Charles Kowal discovers Leda, 13th satellite of Jupiter 1968 Event Jocelyn Bell discovers 1st pulsar 1966 Event Audouin Dollfus discovers 10th satellite of Saturn, Janus 1963 Event Maarten Schmidt discovers enormous red shifts in quasars 1959 Event Dr. Leakey discovers oldest human skull (600,000 years old) 1958 Event James van Allen discovers radiation belt 1956 Event Dr. Albert Sabin discovers oral polio vaccine 1955 Event University of California discovers anti-proton 1951 Event S. B. Nicholson discovers 12th satellite of Jupiter 1949 Event Gerard Kuiper discovers Nereid, (2nd satellite of Neptune) 1943 Event RAF discovers Werner von Brauns V1/V2-base in Peenemunde 1942 Event J. S. Hey discovers radio emissions from Sun 1934 Event Wiley Post discovers jet stream 1930 Event U.S. astronomer Clyde Tombaugh discovers Pluto 1928 Event Alexander Fleming discovers penicillin 1911 Event Hiram Bingham discovers Lost City of the Incas 1909 Event Word received, Admiral Peary discovers North Pole 5 months earlier 1906 Event Roald Amundsen discovers Magnetic South Pole 1903 Event Dr. Harry Plotz discovers vaccine against typhoid in New York City 1900 Event Giacobini discovers a comet (will be 1st comet visited by spacecraft) 1898 Event Scientists Pierre and Marie Curie discovers radium 1896 Event German physicist Wilhelm Roentgen's discovers x-rays 1895 Event Wilhelm Roentgen (Germany) discovers X-rays 1892 Event E E Barnard at Lick discovers Amalthea, 5th Jupiter moon 1882 Event German scientist Robert Koch discovers bacillus cause of TB 1882 Event Dr. Robert Koch discovers germ that causes tuberculosis 1879 Event Constantine Fahlberg discovers saccharin the artificial sweetener 1877 Event Asaph Hall discovers Mars' moon Phobos 1877 Event Asaph Hall discovers Mars's moon Deimos 1871 Event Jules Janssen discovers dark lines in solar corona spectrum 1870 Event Heinrich Schliemann discovers Troi 1868 Event Pierre Janssan discovers helium in solar spectrum during eclipse 1868 Death Leon Foucault, discovers 1st physical proof of Earth's rotation, dies 1864 Event William Huggins discovers chemical composition of nebulae 1862 Event Telescope maker Alvin Clark discovers dwarf companion of Sirius 1861 Event Leipzig Observatory discovers short-period (6.2 yrs) Comet d'Arrest 1859 Event Wilhelm Tempel discovers diffuse nebula around Pleid star Merope 1859 Event Captain N. C. Brooks discovers Midway Islands 1856 Event Dr. John A Veatch discovers borax, Tuscan Springs, California 1851 Event William Lassell discovers Ariel and Umbriel, satellites of Uranus 1851 Event John F. Loudon discovers tin on East Indian Island of Billiton 1849 Event M Jolly-Bellin discovers dry-cleaning, he accidentally upset lamp containing turpentine and oil on his clothing and sees cleaning effect 1847 Event Maria Mitchell discovers a non-naked-eye comet 1847 Event German astronomer Theodor discovers Comet Brorsen-Metcalf 1840 Event American Charles Wilkes discovers Shackleton Ice Shelf, Antarctica 1840 Event Dumont D'Urville discovers Adelie Land, Antarctica 1826 Event M Biela, an Austrian officer, discovers Biela's Comet 1821 Event Bellingshausen discovers Alexander Island off Antarctica 1820 Event Edward Bransfield aboard Williams discovers Antarctica (UK claim) 1815 Event George Evans discovers Lachlan River, Australia 1801 Event French astronomer Jean-Louis Pons discovers his 1st comet 1801 Event Giuseppe Piazzi discovers 1st asteroid, which is named Ceres later 1800 Event James Ross discovers North Magnetic pole 1792 Event George Vancouver discovers site of Vancouver BC 1792 Event Captain Robert Gray discovers Grays Harbor (Washington) 1791 Event Danish navigator Vitus Jonas Bering discovers Alaska 1791 Event Jose Maria Narvaez discovers Point Grey (now Vancouver BC) 1789 Event William Herschel discovers Mimas, satellite of Saturn 1789 Event Sir William Herschel discovers Saturn's moon Enceladus 1787 Event W Herschel discovers Enceladus, a moon of Saturn 1781 Event Andre Mechain discovers M80 (globular cluster in Scorpio) 1780 Event William Herschel discovers 1st binary star, Xi Ursae Majoris 1778 Event Captain Cook discovers Maui in the Sandwich Islands, now Hawaii 1774 Event Priestly discovers oxygen 1774 Event Joseph Priestley discovers oxygen 1772 Event Yves de Kerguelen of France discovers Kerguelen Archipelago, India 1770 Event Captain James Cook discovers Great Barrier Reef off Australia 1770 Event Captain James Cook discovers Botany Bay (Australia) 1746 Birthday Giuseppe Piazzi, Italian monk, mathematician, and discoverer, discovers 1st asteroid, Ceres 1741 Event Captain Bering discovers Mount St. Elias, Alaska 1739 Event J B C Bouvet de Lozier discovers Bouvet Island, near Antarctica 1722 Event Jacob Roggeveen discovers Easter Island 1672 Event Giovanni Cassini discovers Rhea, a satellite of Saturn 1671 Event Giovanni Cassini discovers Iapetus, satellite of Saturn 1655 Event Christiaan Huygens discovers Titan, (Saturn's largest satellite) 1642 Event Abel Janzoon Tasman discovers Van Diemen's Land (Tasmania) 1642 Event Christiaan Huygens discovers Martian south polar cap 1618 Event Johannes Kepler discovers harmonics law 1616 Event VOC-ship "The Eendracht" discovers Dirk-Hartogeiland, Australia 1616 Event Jacques Le Maire discovers Street Lemaire/Cape Receiver 1610 Event Galileo Galilei discovers Callisto, 4th satellite of Jupiter 1610 Event Galileo discovers 1st 3 Jupiter satellites, Io, Europa and Ganymede 1610 Event German astronomer Simon Marius 1st discovers the Jupiter moons, but does not officially report it, Galileo does on July 1 1610 1609 Event Henry Hudson, discovers and explores Delaware Bay 1596 Event David Fabricius discovers light variation of Mira (1st variable star) 1595 Event Alvara Mendana discovers Marquesas Island 1585 Event English secret service discovers Anthony Babingtons murder plot against queen Elizabeth I 1578 Event William Harvey of England discovers blood circulation 1542 Event Juan Rodriguez Cabrillo discovers California, at San Diego Bay 1541 Event Hernando de Soto discovers Mississippi River 1539 Event Spanish explorer Fernando de Soto discovers Florida 1535 Event Jacques Cartier discovers Mount Royal (Montreal) 1535 Event Bishop Tomas de Berlanga discovers Galapagos Islands 1534 Event Jacques Cartier discovers Prince Edward Islands Canada 1524 Event Giovanni Verrazano, a florentine navigator, discovers New York Bay 1521 Event Ferdinand Magellan discovers the Philippines 1521 Event Magelhaes' fleet discovers Zamal (Samar) 1521 Event Magellan discovers Guam 1513 Event Spaniard Juan Ponce de Leon discovers Florida 1503 Event Columbus discovers Cayman Islands 1502 Event Portuguese Admiral Da Nova discovers St. Helena 1501 Event Joao da Nova Castell discovers Ascension Islands 1500 Event Diego Diaz discovers Madagascar 1500 Event Pedro Alvarez Cabral discovers Brazil and claims it for Portugal 1499 Event Alonso dhe Ojeda discovers Curacao Island 1498 Event Christopher Columbus discovers island of Trinidad 1493 Event Christopher Columbus discovers Puerto Rico, on his 2nd voyage 1493 Event Columbus discovers Saba 1493 Event Christopher Columbus discovers island of Dominica 1493 Event Christopher Columbus discovers island of Dominica 1492 Event Columbus discovers Hispaniola (El Espanola/Haiti) 1492 Event Christopher Columbus discovers Cuba and claims it for Spain 1492 Event Columbus' discovers America (Oct 12, 1492 Julian calender) 1488 Event Bartholomeus Diaz discovers Mosselbaai (Angra dos Vaqueros) 1000 Event Leif Ericson discovers "Vinland" (possibly New England)