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Life On Earth Took A Licking, Kept On Ticking / Science News
Science News — Early organisms may not have had to restart after a long spell of asteroid impacts An extended period of asteroid bombardment early in Earth's history may not have wiped out the planet's nascent life after all. Indeed a report in the May 21 About ...More…
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FOR KIDS: Earth From The Inside Out / Science News
Science News — An invisible particle sheds light on the mysterious interior of the Earth Scientists have long known this strange fact: It's easier to look deep into space than into the center of Earth. Light can pass through most of space, so the light from ...More…
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For A Big View Of Inner Earth, Catch A Few ... Geoneutrinos
Science News — Were the Earth a crystal ball, you might gaze 2,900 kilometers down to its outer core with a telescope. The Earth, though, is frustratingly opaque - to light. Most knowledge of the planet's internal structure comes from studying seismic waves, ...More…
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Animal Ancestors May Have Survived 'snowball Earth'
Science News — Chemical fossils push back the date for animal life to at least 635 million years ago A new analysis of ancient chemical fossils has rocked the cradle of early animal evolution, bumping back compelling evidence of animal life to at least 635 ...More…
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Earth Rocks On
Science News for Kids — Some rocks in Greenland show that Earth's crust was moving even 3.8 billion years ago. That's comforting. But it's also misleading because there's actually a lot going on underground. Masses of land (called plates) slip, slide, and bump ...More…
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Meteorites may have sparked life on Earth
Science News for Kids — A collision of extraterrestrial objects and Earths ancient oceans could have produced raw materials for life Thoughts of meteors hurtling toward Earth usually generate visions of mass extinctions. But some recent studies paint a new picture: ...More…
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Earth from the inside out
Science News for Kids — An invisible particle sheds light on the mysterious interior of the Earth Scientists have long known this strange fact: Its easier to look deep into space than into the center of Earth. Light can pass through most of space, so the light from ...More…
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The Solar System's Big Bang / Science News
Science News — Very interesting indeed, but how do you date non-terrestrial material? Carbon dating only works on Earth because carbon 14 is created in the outer atmosphere and settles on the ground before slowly and steadily decaying into carbon 12. How then ...More…
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Soft Tissue From A Dino Fossil / Science News
Science News — Hadrosaur remains include fragments of several proteins, tests suggest As unlikely as it seems, the fossilized remains of an 80-million-year-old dinosaur can still contain bits of soft tissue and fragments of proteins. Mary H. Schweitzer, a ...More…
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Portuguese Trove Of Trilobite Fossils / Science News
Science News — Finds include largest known specimen and groups caught in the act of molting and spawning Fossils unearthed at a slate quarry in northern Portugal include those of the largest known trilobites, as well as immense assemblages - some a thousand ...More…
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Ancient Fish With Killer Bite / Science News
Science News — Dunkleosteus clamped down on prey with three-quarters-of-a-ton force An ancient, 1-metric-ton fish nearly as long as a school bus had a bite more powerful than nearly everything alive today, a new study reveals. Anderson and colleague Mark ...More…
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Cosmic Mystery / Science News
Science News — High-energy invaders from space could signal a nearby pulsar, or perhaps dark matter There's an air of excitement in the astrophysics community, created by a surplus of particles from space invading Earth's atmosphere. Balloon flights high in the ...More…