October 7, 2021 Novel geochemical dating techniques show that Norse people were in L’Anse aux Meadows exactly 1,000 years ago. Since the 1960s, archaeologists have…
Posts published in “Earth Observatory”
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November 14, 2021 Torrential rain in southern British Columbia and western Washington spurred deadly floods and mudslides that have damaged infrastructure and isolated communities. Torrential…
October 9, 2018 The James Webb Space TelescopeThe James Webb Space Telescope (JWST or Webb) is an orbiting infrared observatory that will complement and extend…
July 18, 2021 Moist ocean air and steady winds pile up thunderheads and anvil clouds around Indonesia. An astronaut onboard the International Space Station shot…
January 6, 2020 Iron-rich aerosols from the 2019-2020 fires fertilized huge phytoplankton populations in the far South Pacific. The catastrophic wildfires that scorched eucalyptus forests…
October 1 – 23, 2021 Scientific Questions Arrive in Ports Satellite observations of nitrogen dioxide near key U.S. ports suggest that increased shipping activity and…
[embedded content]January 1 – October 7, 2021 A colder than usual winter atmosphere over the Southern Hemisphere led to a deep and larger-than-average ozone hole…
October 1 – 12, 2021 Warm and dry conditions continue to affect agricultural lands in the U.S. Northern Plains and the Canadian Prairies. Decades of drought…
October 19, 2019 October 20, 2021 Recent storms added to an already heavy monsoon season. Persistent rain in mid-October 2021 brought more flooding to central…
October 18, 2021 Volcanoes emit sulfur dioxide — a pungent gas that reacts with oxygen and moisture in the air to produce a haze called…
October 12, 1987 October 9, 2021 As temperatures rise on the Tibetan Plateau, lakes are growing larger and deeper. Glaciologists often call the Tibetan Plateau and its…
September 8, 2021 Spencer Gulf in South Australia hosts the world’s largest cuttlefish mass spawning event. Each winter from May to August, thousands of Australian giant…
October 10, 2021 The pandemic has disrupted global supply chains and markets in ways that have led to backlogs of cargo ships at key ports.…
2012 – 2018 Scientists reveal details of a rare type of lightning that stretches into space. A rare type of lightning has had scientists scratching…
October 4, 2021 Cumbre Vieja volcano is making its presence felt from above and below. The effects of the eruption at Cumbre Vieja volcano are being felt…
July 3, 2014 If you look frequently at satellite imagery or astronaut photography, you have probably noticed bright patches of light that can make certain…
May 9, 2021 The southern coasts of this Chinese island are lined with tropical beaches, while the inner bays are lined with floating fishing villages.…
October 3, 2021 Satellite imagers can make oil spills easier to detect in open water. When oil leaks or spills into the ocean, the water…
September 21, 2021 This is the second part of a story about fires in California. Read part 1 here. Accumulating fuels and rising populations are…
September 13, 2021 Heat waves and droughts supercharged by climate change, a century of fire suppression, and fast-growing populations have made large, destructive fires more…