- - At least one channel thought to have been carved by water was actually built by lava flows, according to a new study of Martian surface features.
- - For 4,500 years in what is now Mexico, decomposing bodies were pulled apart and reburied, according to what may be the first evidence for ritual "double burials."
- - It turns out evidence for water on the moon was right under our noses all along, according to new studies of rocks retrieved by Apollo astronauts.
- - See exclusive views of tsunami-tossed boats, a collapsed bridge, and a crumbled cliff—scenes of the devastating toll of the February 27 Chile earthquake.
- - With its 2010 Oscar win for best documentary, the movie The Cove has reignited debate over annual dolphin hunts in Taiji, Japan.
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- - A dolphin hunt in Japan enrages activists. The Cove, an award-winning new movie, condemns it. So why do dolphin hunts go on elsewhere without much controversy?
- - A strong earthquake rattled eastern Turkey Sunday, killing at least 51 and crumbling minarets, barns, and flimsily built mud-brick houses.
- - Chile's February 27 earthquake caused an apartment building in this small city to collapse, killing 23. Video.
- - Earth-based gamma rays are made in storms at the same altitude as many commercial flight paths, possibly creating radiation hazards for air passengers.
- - Mammal DNA has been found in gorilla feces—suggesting that maybe, just maybe, the big apes eat meat after all.
- - Oxygen-sucking algae are blooming in the Baltic due to farm fertilizers and overfishing—and new efforts to stop the disaster may be too late, experts say.
- - Severe droughts have drained a reservoir in Venezuela, exposing a church that's been "missing" since 1985.
- - An octopus in the Caribbean can mimic not only the shape of a flounder but also the fish's color and swimming style, most likely in an attempt to avoid predators, researchers say.
- - But volcanoes would've made Earth more mud ball than snowball, scientists say.
- - Permafrost lining the Arctic seafloor is leaking massive quantities of the powerful greenhouse gas into the ocean and atmosphere, fueling concerns of accelerated global warming, researchers say.
