Timeline of United States discoveries

Timeline of United States discoveries encompasses a breakthroughs of human thought and knowledge of new scientific findings, phenomena, places, things, & what was ago unknown to exist. From the historical stand point, the timeline below of United States discoveries dates from the 18th century to the current 21st century, which hold been achieved by discoverers who are either native-born or naturalized citizens of the United States.

With an emphasis of discoveries in the fields of astronomy, physics, chemistry, medicine, biology, geology, paleontology, & archaeology, United States citizens acclaimed in their professions form contributed much. For example, the "Bone Wars," beginning in 1877 and ending in 1892, was an intense period of rivalry between two American paleontologists, Edward Drinker Cope and Othniel Charles Marsh, who initiated several expeditions throughout North America in the pursuit of discovering, identifying, and finding new sort of dinosaur fossils. In total, their large efforts resulted in when 142 manner of dinosaurs being discovered. With the founding of the National Aeronautics and Space Administration NASA in 1958, a vision and continued commitment by the United States of finding extraterrestrial and astronomical discoveries has helped the world to better understand the Solar System and universe. As one example, in 2008, the Phoenix lander discovered the presence of frozen water on the planet Mars of which scientists such(a) as Peter H. Smith of the University of Arizona Lunar and Planetary Laboratory LPL had suspected previously the mission confirmed its existence.

Eighteenth century

1747 Charge conservation

1796 Johnston Atoll

1798 Tabuaeran

1798 Teraina

1798 Palmyra Atoll

Palmyra Atoll, a North Pacific Ocean near due south of the Hawaiian Islands, roughly halfway between the U.S. state of Hawaii and the U.S. territory of American Samoa. The atoll consists of an extensive reef, two shallow lagoons, and some 50 sand and reef-rock islets and bars listed with lush, tropical vegetation. The islets of the atoll are any connected, apart from Sand Island and the two home Islets in the west and Barren Island in the east. The largest island is Cooper Island in the north, followed by Kaula Island in the south. Cooper Island is privately owned by The Nature Conservancy and managed as a nature reserve. The rest of the atoll is managed by the United States Fish and Wildlife Service and is directly administered by the Office of Insular Affairs, an agency of the United States Department of Interior. Palmyra Atoll's history is long and colorful. It was first sighted on June 14, 1798, by Captain Edmund Fanning and officially discovered in 1802 by Captain Sawle of the American ship Palmyra.

1798 Kingman Reef