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What Hit Siberia 100 Years Ago? Tunguska Event Still Puzzles Scientists
The year is 1908, and it's
just after seven in the
morning. A man is sitting on
the front porch of a trading
post at Vanavara in Siberia.
... > full story
Lavas From Hawaiian Volcano Contain Fingerprint Of Planetary Formation
Hikers visiting the Kilauea
Iki crater in Hawaii today
walk along a mostly flat
surface of sparsely
vegetated basalt. It looks
... > full story
Asteroid Impact 65 Million Years Ago Triggered A Global Hail Of Carbon Beads
The asteroid presumed to
have wiped out the dinosaurs
struck the Earth with such
force that carbon deep in
the Earth's crust liquefied,
... > full story
Sun's Movement Through Milky Way Regularly Sends Comets Hurtling, Coinciding With Mass Life Extinctions
A new study suggests the
solar system passes through
the plane of the galaxy
every 35 to 40 million
years. The period coincides
... > full story
- What Hit Siberia 100 Years Ago? Tunguska Event Still Puzzles Scientists
- Lavas From Hawaiian Volcano Contain Fingerprint Of Planetary Formation
- Asteroid Impact 65 Million Years Ago Triggered A Global Hail Of Carbon Beads
- Sun's Movement Through Milky Way Regularly Sends Comets Hurtling, Coinciding With Mass Life Extinctions
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Cracks In The Foundation: Fundamental Geological Assumption Relating To Planet Earth Not Quite True
April 29, 2008 — Chondritic meteorites have a similar chemical composition to the sun and are therefore reliable witnesses as to what the solar nebula, from which the planets formed, was composed of. This can be used ... > full story -
Kilauea Volcano Erupts Explosively And Vents Noxious Gas
March 29, 2008 — Explosive eruptions and noxious gas emissions at Kilauea Volcano in Hawaii this week have prompted scientists to work around the clock to understand what will happen next. Scientists are monitoring ... > full story -
Origin of Life
Near-Earth Object Impacts
Asteroids, Comets and Meteors
Charles Darwin
Fossils
Environmental Issues
Do Meteors Create Life? Explosion Of New Life Coincided With Hundreds Of Meteorite Impacts
March 14, 2008 — Meteorite impacts are often associated with huge disasters, mass extinction and why the dinosaurs disappeared from the face of the Earth some 65 million years ago. However, the opposite may also ... > full story -
Seismic Images Show Dinosaur-killing Meteor Made Bigger Splash
January 24, 2008 — The most detailed 3-D seismic images yet of the Chicxulub impact crater may modify a theory explaining the "KT Extinction Event" that wiped out most life on Earth, including the dinosaurs. According ... > full story -
Supercomputers Offer New Explanation Of Tunguska Disaster
December 19, 2007 — The stunning amount of forest devastation at Tunguska a century ago in Siberia may have been caused by an asteroid only a fraction as large as those postulated in previously published estimates, ... > full story -
World's First HDTV Image Of 'Earth-rise' Over Moon
November 14, 2007 — The Japan Aerospace Exploration Agency (JAXA) and NHK (Japan Broadcasting Corporation) have successfully performed the world's first high-definition image taking of an Earth-rise by the lunar ... > full story -
Asteroid Is 'Practice Case' For Potential Hazards
October 22, 2007 — In research that could aid decisions about future asteroids on a collision course with Earth, scientists have for the first time determined the composition of a near-Earth asteroid that has a very ... > full story -
Geologists Witness Unique Volcanic Mudflow In Action In New Zealand
July 16, 2007 — Volcanologist Sarah Fagents from the School of Ocean and Earth Science and Technology at the University of Hawaii at Manoa had an amazing opportunity to study volcanic hazards first hand, when a ... > full story -
Asteroids, Comets and Meteors
Near-Earth Object Impacts
Global Warming
Geography
Environmental Policy
Tsunamis
Countries Most At Risk Of 'Small' Asteroid Impact Identified
July 9, 2007 — Researchers have developed a software package for modelling asteroid impacts that enables them to assess the potential human and economic consequences across the globe. Early results indicate that ... > full story -
Earth And Mars Are Different To The Core, Scientists Find
July 3, 2007 — Research comparing silicon samples from Earth, meteorites and planetary materials, published in Nature (June 28, 2007) provides new evidence that the Earth's core formed under very different ... > full story
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