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Ocean tides
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Scientists from the University of Southampton have found that ocean tides have changed significantly over the last century at many coastal locations around the world. Increases in high tide levels and the tidal range were found to have been similar to increases in average sea level at several loca...
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Supertides
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Widespread flood alerts as 'supertides' rise Flood alerts have been issued across Wales due to rising "supertides". Natural Resources Wales has warned of "dangerous conditions" that could see tides breach sea and river defences. Read more An astronomical tidal cycle wi...
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South Atlantic seamounts
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Scripps Research Vessel Discovering Mammoth Undersea Mountains In the latest evidence of the vastness remaining to be explored in the world's oceans, scientists aboard Scripps Institution of Oceanography at UC San Diego's research vessel Melville are mapping a series of colossal and previous...
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Hadean eon Earth
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New NASA Research Shows Giant Asteroids Battered Early Earth New research shows that more than four billion years ago the surface of Earth was heavily reprocessed - or melted, mixed, and buried - as a result of giant asteroid impacts. A new terrestrial bombardment model, calibrated using existing...
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K2
(Preview)
K2 (also known as Savage Mountain, Mountaineer's Mountain, Mount Godwin-Austen, Balti: Chogori and Sarikoli: Mount Qogir) is the second-highest mountain on Earth, after Mount Everest. An Italian expedition finally succeeded in ascending to the summit of K2 via the Abruzzi Spur on 31 July 1954....
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Moonless Earth
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Title: On the Spin-axis Dynamics of a Moonless Earth Author: Gongjie Li, Konstantin Batygin The variation of a planet's obliquity is influenced by the existence of satellites with a high mass ratio. For instance, the Earth's obliquity is stabilized by the Moon, and would undergo chaotic variatio...
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Earth's carbon
(Preview)
Title: Primordial origins of Earth's carbon Authors: Bernard Marty, Conel M. O'D. Alexander, Sean N. Raymond In this chapter we review the astrophysical origins of Earth's carbon, starting from the products of the Big Bang and culminating with the Earth's formation. We review the measured compo...
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New Hebrides trench
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New Hebrides trench: First look at unexplored deep sea Read more
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The Aurora of 1192
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At dusk on Wednesday, 15 January 1192, the inhabitants of Anchin, in eastern Flanders, witnessed a terrifying sight. An anonymous monk reported that ...At the setting of the sun and in the dusk of night, many people saw a kind of terrible fire that filled the entire northern part of the globe [of the sk...
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Van Allen radiation belt
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British Antarctic Survey teams up with Lancaster University to understand "killer electrons" British Antarctic Survey is working with Lancaster University to understand how particles from space affect the Earth's atmosphere. Scientists aim to find out more about so-called "...
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The North Pole
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You may think of the North Pole only as the top of the worldits northernmost point and, if you're younger, Santa's home. But it turns out there are a host of "north (and south) poles" on our planet. First, and most simply, there is a town in Alaska called "North Pole" which isn't ne...
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Death Valley
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Death Valley is the hottest and driest place in North America because of its lack of surface water and its low relief. On July 10, 1913, a record 134 °F (56.7 °C) was measured at the Weather Bureau's observation station at Greenland Ranch (now the site for the Furnace Creek Inn), the highest temperatu...
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The southern pole of inaccessibility
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The southern pole of inaccessibility is far more remote and difficult to reach than the geographic South Pole. On 14 December 1958, the 3rd Soviet Antarctic Expedition for International Geophysical Year research work, led by Yevgeny Tolstikov, established the temporary Pole of Inaccessibilit...
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Arctic Oscillation
(Preview)
The Arctic oscillation (AO) or Northern Annular Mode/Northern Hemisphere Annular Mode (NAM) is an index (which varies over time with no particular periodicity) of the dominant pattern of non-seasonal sea-level pressure variations north of 20N latitude, and it is characterized by pressure ano...
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Oceanic crust
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Oceanic crust breakthrough: solving a magma mystery Oceanic crust covers two-thirds of the Earth's solid surface, but scientists still don't entirely understand the process by which it is made. Analysis of more than 600 samples of oceanic crust by a team including Carnegie's Frances Jenner reve...
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