2015 Event Researchers discover a biofluorescent hawksbill sea turtle in waters off of the Solomon Islands; though biofluorescence has been observed in captive reptiles, this is the first occurrence seen in a wild reptile 2015 Event Scientists discover a cache of skeletons of a new species of human ancestor, named Homo naledi, in a South African cave; the hominids are thought to have possibly lived up to three million years ago 2015 Event Construction workers discover an unexploded bomb from World War II near Wembley Stadium in London; after evacuations near the site, explosives specialists safely defused and removed the threat 2015 Event Scientists discover a huge magma reservoir under Yellowstone National Park that feeds the magma chamber heating the park's geothermal features; though no volcanic eruption is likely for thousands of years, such an event would dwarf all others to date 2013 Event Australian scientists discover three new species of marsupial in Queensland: the Tweed Volcano Antechinus, the Buff-footed Antechinus and the Kroombit Antechinus 2013 Event Scientists in the Australian state of Queensland discover three previously unknown species in a rainforest located in Cape York Peninsula: a leaf-tailed gecko, a golden-colored skink, and a boulder-dwelling frog 2013 Event In Gamla Uppsala, Sweden, archeologists discover mysterious posts in perfect alignment for the length of a kilometre in what is believed to be a display of power from a fifth century chieftain 2013 Event Investigators on the case of the October 2012 Kunsthal gallery theft of paintings by Picasso, Matisse and Monet, discover paint, canvas and nails in the oven of a woman whose son has been charged with the crime 2013 Event In Brazil, scientists discover a new species of lizard, about the size a coin and weighing less than a gram 2013 Event Scientists discover that a large amount of bacterial life forms live in the deepest part of the world's oceans, the Mariana Trench, which is about 6.831 miles 2013 Event Scientists discover that bumblebees have the ability to sense electric fields around flowers, enabling them to identify specific flowers for pollination 2013 Event Scientist in China discover an ancient human fossil in a cave near Beijing; the 40,000 year-old leg bone shows it was related to the ancestors of present-day Asians and Native Americans 2012 Event Scientist in Tanzania discover the oldest-known dinosaur fossil - a 243-million-year-old fossil from the extinct reptile Nyasasaurus 2012 Event In Oklahoma, airport workers discover a painted golden object with a hole in the bottom in the luggage of musician Wayne Coyne; they mistake the object for a live grenade and shut down the Will Rogers World Airport 2012 Event Scientists discover the closest known rogue planet to Earth, known as CFBDSIR 2149-0403, the planet is about 100+ light years away 2012 Event Scientists discover two new species of prehistoric penguins, Kairuku waitaki and Kairuku grebneffi, which stood over five feet tall 2011 Event Scientists in New Britain discover the first orchid known to flower at night, Bulbophyllum nocturnum, over the cost of Papua New Guinea 2011 Event A team of divers discover the wreck of a Swedish warship, possibly Mars, the head of king Erik XIV's fleet which sank in the Baltic Sea in 1564 2011 Event Researchers in Fairbanks, Alaska, discover remains of a 3-year old child from the Ice Age and named it Xaasaa Cheege Ts'eniin, 'Upper Sun River Mouth Child' 2011 Event In Canada, Kathryn Gray becomes the youngest person to ever discover a supernova; she is ten years old 2010 Event In Heuneburg, Germany, scientists discover a late Bronze Age grave of a Celtic princess, containing amber, gold, bronze and coal 2010 Event Astronomers discover the new galaxy UDFy-38135539, the most distant object observed from earth 2010 Event Mexican Naval Infantry discover 72 corpses near the U.S. Texas border, believed to be migrants from Central America and South America murdered by a drug cartel 2010 Event Afghan archeologists discover the remains of a Buddhist site located south of Kabul 2010 Event Australian researchers discover the first plane taken to Antarctica in 1912 2009 Event European astronomers discover 32 extrasolar planets, or exoplanets - planets that orbit a star other than the Sun 1989 Event Astronomers discover pulsar in remnants of Supernova 1987A (LMC) 1985 Event Doctors discover a cancerous growth in President Reagan's colon 1975 Event Chinese archeologists discover a 3-acre burial site with 6,000 clay statues of warriors dating as early as 221 BC 1955 Event Clarton-Schwerdt and Schaffer discover polio virus 1953 Event Francis Crick and James Watson discover structure of DNA-molecule 1951 Event Leidse astronomers discover radio signal out of Milky Way system 1943 Event Nazi's discover mass grave of Polish officers near Katyn 1940 Event 4 teens, following their dog down a hole near Lascaux France discover 17,000-year-old drawings now known as Lascaux Cave Paintings 1922 Event Banting, MacLeod and Best discover insulin 1921 Death Henrietta Leavitt, cepheid period-luminosity relation discover, dies 1912 Event English explorer Robert F Scott and his expedition reach South Pole, only to discover that Roald Amundsen had gotten there before 1845 Birthday Georg Cantor, German mathematician, discover transfinite numbers 1809 Birthday Joseph Liouville, France, discover of transcendental numbers 1756 Death Jacques Cassini, French astronomer (Discover rings of Saturn), dies at 79 1598 Event Netherland sailors discover Mauritius 1502 Event Portuguese navigators discover Rio de Janeiro