All Science
Scientists add two new letters to DNA's 'alphabet'Using bacterial cells, scientists have managed to create a 'semi-synthetic organism' whose DNA has six 'letters,' instead of the usual four.
Everyday 'electrosmog' scrambles birds' magnetic sense, say scientistsIn a wooden hut, neurosensory scientists have demonstrated that normal urban levels of electromagnetic noise erase the strong sense of Earth's magnetism that guides migratory robins.
A greenhouse on Mars? Scientists propose plant experiment for next rover.Researchers have proposed putting a plant-growth experiment on NASA's next Mars rover, which is scheduled to touch down on the Red Planet in 2021.
Yellowstone trout declining. Time to celebrate?Yellowstone trout: An invasive species of trout in Yellowstone National Park seems to be showing signs of decline, following a protracted effort to eradicate the species.
British space scientist Colin Pillinger hailed as 'a visionary and an inspirational leader'Colin Pillinger, who championed the search for signs of life on Mars, passed away at his home in Cambridge, England.
How the dance of predation upends ecology modelsNot all predators are equal, and neither are prey. When lots of genetic variety allows two species to co-evolve rapidly, reports a new study, both their population numbers and their evolutionary fitness levels fluctuate, defying traditional ecological models.
Giant dinosaur had astonishing ability to heal broken bonesAfter examining a toe bone from a giant carnivorous dinosaur, Allosaurus fragilis, excavated from Utah, researchers say that the ancient predator had a remarkable capacity to heal its broken bones.
Mars excavation yields unexpected colorDrilling in a new location, NASA's Curiosity Mars rover has extracted an intriguingly un-Martian pile of steely grey dust, which it is now analyzing for evidence of a more watery planetary past.
Are commercial airliners too automated?Too much dependence on automated systems can prompt pilots' thoughts veer to things unrelated to the flight, say researchers.
Spectacular video shows evolution of universeScientists have developed a new time-lapse simulation showing the universe developing into its current form.
- 'Pinnochio Rex' had one of the biggest schnozzes of the Late Cretaceous
Paleontologists have identified a cousin of Tyrannosaurus rex, a long-snouted predator that roamed the Earth some 66 million years ago.
How cotton balls are helping Darwin's finches fight parasitesCotton balls treated with chemical can help Darwin's finches fight maggots that infest their nests, say researchers
Humongous fireball lights up daytime skies over New York, CanadaA brilliant fireball streaked across the daytime sky over parts of New York and Canada on Sunday.
Scientists discover mysterious, ancient rock lines in PeruThe lines, which are centuries older than the famed Nazca Lines, might have marked the way to ancient fairs, say archaeologists.
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Meteor shower: How to view the Eta AquaridsMeteor shower: The Eta Aquarids meteor shower will peak early Tuesday morning, thanks to astronomy's best-known comet.
'Goblin shark' caught: Shrimp fisherman nabs rare sharkFor just the second time ever, a deep-sea 'goblin shark' has been seen in the Gulf of Mexico.
Element 117 could be latest addition to periodic tableBy fusing calcium and berkelium, researchers have produced a new super-heavy element with 117 protons.
Tokyo earthquake: Powerful quake jolts Japan's capitalTokyo earthquake: A strong temblor on Monday morning injured 17 people and delayed morning commuters.
Earth buzzed by bus-sized asteroidAn asteroid roughly the size of a city bus brushed within 186,000 miles of our planet on Saturday, a distance closer than the moon.
Meteor shower: Halley's Comet showers Earth early TuesdayMeteor shower: The cosmic litter showering Earth from Halley's Comet will peak on May 5 and 6. This pass produces what is known as the Eta Aquarid meteor shower.
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