Is Earth Undergoing a 6th Mass Extinction? “99.9% of all Past Species Extinct”
Daily Galaxy Of all species that have existed on Earth, 99.9 percent are now extinct. Many of them perished in five cataclysmic events. The classical “Big Five” mass extinctions identified by Raup and Sepkoski are widely agreed upon as some of the most significant: End Ordovician, Late Devonian, End Permian, End Triassic, and End Cretaceous. According to [...]
Read More →Further evidence that volcanoes can destroy life on Earth
By Annalee Newitz | io9 If you think asteroid strikes are scary, I’ve got some bad news for you. The most deadly events on Earth are caused by . . . Earth. New evidence suggests that underwater volcanoes may have wrecked our planet for thousands of years, and ultimately allowed dinosaurs to rule the world. We’ve [...]
Read More →Record Methane in Arctic early March 2013
By Mario A. | Set You Free News Methane levels for this period are at record highs in the Barents and Norwegian Seas, i.e. the highest levels ever recorded by IASI, which is is short for Infrared Atmospheric Sounding Interferometer, a Fourier transform spectrometer on board the European EUMETSAT Metop satellite that has supplied data since 2007, Arctic [...]
Read More →Earth-Directed Coronal Mass Ejection From the Sun
NASA.gov On March 15, 2013, at 2:54 a.m. EDT, the sun erupted with an Earth-directed coronal mass ejection (CME), a solar phenomenon that can send billions of tons of solar particles into space and can reach Earth one to three days later and affect electronic systems in satellites and on the ground. Experimental NASA research [...]
Read More →Earth Is Warmer Today Than During 70 to 80 Percent of the Past 11,300 Years
By Cheryl Dybas | NSF With data from 73 ice and sediment core monitoring sites around the world, scientists have reconstructed Earth’s temperature history back to the end of the last Ice Age. The analysis reveals that the planet today is warmer than it’s been during 70 to 80 percent of the last 11,300 years. Results [...]
Read More →Naked-eye comet inside the orbit of Mercury
Spaceweather Comet Pan-STARRS (C/2011 L4) is now inside the orbit of Mercury and it is brightening as it approaches the sun. Observers in the southern hemisphere say the comet can be seen with the naked eye even through city lights. Currently, it is about as bright as the stars of the Big Dipper (magnitude +2 [...]
Read More →Van Allen Probes Discover a New Radiation Belt
NASA science Earth’s radiation belts were one of the first discoveries of the Space Age. A new finding published in today’s issue of Science shows that we still have much to learn about them. NASA’s twin Van Allen Probes, launched just last August, have revealed a previously unknown third radiation belt around Earth. “Even 55 [...]
Read More →Global tipping point ‘unlikely’ in real world
ANI A group of international ecological scientists have rejected a doomsday-like scenario of sudden, irreversible change to the Earth’s ecology. The scientists from Australia, US and UK led by the University of Adelaide argue that global-scale ecological tipping points are unlikely and that ecological change over large areas seem to follow a more gradual, smooth [...]
Read More →‘Fifth Force of Nature’ May Help Study Deep Earth
By Sally Appert | The Epoch Times The four known forces in physics—gravity, electromagnetism, and the strong and weak nuclear forces—might soon be joined by a fifth, known as the long-range spin-spin interaction. U.S. researchers have made progress in the quest to find this fifth force. The goal of their study was to find out [...]
Read More →Possible Seismic Activity on Asteroid 2012 DA14
By Dr. Tony Phillips | NASA Science For eons, Earth has felt the tremors of asteroids striking our planet. From the extinction of the dinosaurs 65 million years ago to the felled forests around Tunguska in 1908, the space rocks keep coming. This week, Earth strikes back. When asteroid 2014 DA14 makes a record close approach to [...]
Read More →Volcano location could be greenhouse-icehouse key
Science Codex A new Rice University-led study finds the real estate mantra “location, location, location” may also explain one of Earth’s enduring climate mysteries. The study suggests that Earth’s repeated flip-flopping between greenhouse and icehouse states over the past 500 million years may have been driven by the episodic flare-up of volcanoes at key locations [...]
Read More →Dramatic increase in methane in the Arctic in January 2013
By Sam Carana | Arctic News Below a combination of images produced by Dr. Leonid Yurganov, showing methane levels January 1-10, 2013 (below left), January 11-20, 2013 (below center) and January 21-31, 2013 (below right). Click on image to enlarge Above image shows dramatic increases of methane levels above the Arctic Ocean in the course of January [...]
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