All Science
No toothbrush required: Dinosaurs replaced their smile every month.Sauropod dinosaurs, an order of vertebrate herbivores, had multiple reserve teeth in their tooth sockets to continuously replace failing teeth.
How a pink planet is shaking up planet-formation theoryScientists have found a massive exoplanet far from its star that could revise the current model for how gas giants are formed.
One year on Mars and still roving: What has Curiosity gleaned so far?The rover Curiosity has been exploring Mars for a year now, almost halfway through its mission. It has already helped to prove that Mars did once have water and an environment hospitable to life. Here's what's next.
Lab-grown hamburger tastes bland, costs a fortune, and could save the worldA media event in London Monday unveiled the world's first hamburger grown in a lab from stem cells. Are moo-less burgers the future?
Remarkable diversity of life found in sea canyons off Northeast coastThe deep-sea canyons off the Northeast coast of the US are largely unexplored. A 36-day expedition currently under way is finding a rich trove of marine life.
Lazarus comets spring to life in comet graveyardScientists have now explained the origins of 12 active comets in the asteroid belt between Mars and Jupiter.
Jupiter's moon Europa: Send a submarine to explore it?Jupiter's moon Europa is a icy shell with an underground ocean. The new movie 'Europa Report' is based on real science, and NASA ideas about how to explore Jupiter's fourth largest moon.
- Cross of Jesus: A piece found in Turkey?
Cross of Jesus? Archaeologists say they may have found a piece of the wooden cross where Christ Jesus was crucified. The piece was found in a stone box in the ruins of a church in Turkey.
Genetic Adam and Eve could have been contemporaries, scientists sayNew research published in Science shows that our most recent common female and male ancestors could have been alive at the same time.
Bizarre crystals reveal underground magma 'highway'The deadly 1963-1965 eruption of Irazú contained lava that pushed through the earth's 20-mile thick crust in about a year, reveal crystals from deep below the Earth's surface. Conventional wisdom says magma needs hundreds or thousands of years to make the trip.
Camping resets your internal clock, say researchersGetting away from artificial light can recalibrate your sleep cycles so that they are more similar to those of our ancestors, researchers suggest.
New ant species! Scientists uncover treasure trove...of ants!New ant species: Researchers working in Central America and the Carribbean have discovered 33 previously unknown ant species.
Google Doodle honors Maria Mitchell, first American female astronomerToday's Google Doodle honors Maria Mitchell, a pioneer in both astronomy and women's rights.
How fast-rising magma contributed to deadly volcanoMagma from the deadly eruption of Irazú in Costa Rica decades ago, recently helped researchers better understand quickly erupting volcanos. Now scientists hope to learn more by investigating other volcanic sites.
What's going on inside Saturn moon? Geysers offer intriguing new clue.Enceladus is thought to have liquid water – and perhaps life – beneath its surface. New findings showing that geysers of water vary with tidal changes offer a glimpse of the mechanics inside.
NASA turns 55. What's next for the space agency?Fifty-five years ago Monday, President Eisenhower signed the Space Act, authorizing the creation of NASA. Since then, the space agency has grown from its Sputnik-shaded beginnings to studying the full scope of the heavens. What will the next 55 years bring?
Why the bird brain is actually a dinosaur brainA team of scientists has found that the enlarged brain once believed unique to birds actually predates the bird, complicating the bird's already murky evolutionary trajectory.
NASA astronaut explains cause of helmet leak that aborted spacewalkUS Astronaut Chris Cassidy explains in a video how a faulty cooling system was to blame for the helmet leak that abruptly ended a spacewalk outside the International Space Station two weeks ago.
- SeaWorld: Stranded whale video and 'Blackfish' documentary attract attention
SeaWorld: Stranded whale video goes viral, raising concerns about SeaWorld's whales just as a new documentary questions SeaWorld's treatment of orcas (killer whales).
When would global warming destroy life on Earth? Study hazards a guess.Two new studies look at when a runaway greenhouse effect makes a planet uninhabitable. For Earth, the data suggest that time is still distant, even with current levels of global warming.
