Planet Earth

All stories having to do with the Earth as a planet, including geology, atmospheric science, and oceanography

Jun 21, 2010
"Flood carved surprisingly large gorge that may help understand features on Earth and Mars"
Jun 19, 2010
"It's summer (well, OK, technically next week it is summer) but it's the time of year that northern latitudes can see the beautiful, awe inspiring atmospheric phenomena called Noctilucent Clouds, or night shining clouds."
Jun 14, 2010
"Fossilized corals, lasers beamed at a receding moon, Chinese artifacts, and other evidence have revealed that over the ages the length of time it takes Earth to spin once on its axis has increased significantly"
Jun 13, 2010
"But new research shows that the Earth and Moon may have formed much later – perhaps up to 150 million years after the formation of the solar system."
Jun 4, 2010
"It's an old puzzle: The sun was so dim billions of years ago that the Earth should have been a ball of ice, but its liquid oceans supported life. A new study suggests a thick haze of organic material let the early Earth soak up the sun's warmth without absorbing harmful ultraviolet rays."
Jun 3, 2010
"Among the oddities of liquid impacts into granular solids: slow-falling droplets can make deeper craters than their speedier brethren"
Jun 1, 2010
"The major earthquakes that devastated Chile earlier this year and which triggered the catastrophic Indonesian tsunami of 2004 are more than just a distinct possibility to strike the Pacific Northwest coast of the United States, scientists say."
May 25, 2010
"Waves are one of nature's most spectacular -- and familiar -- forces, but how much do we really know about them?"
May 16, 2010
"Water is essential for life as we know it, and some scientists believe that the water on Earth was delivered by comets after the planet's formation. Now, a new study of silver in meteorites and Earth rocks tells a different story."
May 11, 2010
"Scientists theorize that several low-gravity spots around the world may lie atop vast "slab graveyards" that lie buried near the planet's core."