All Science
How old is the Grand Canyon? You might be surprised.Most scientists agreed that the Grand Canyon was carved 6 million years ago, until a study in 2012 used new data to argue that the canyon was actually 12 times as old. A new study tries to merge the old and new data into a single story.
Russian astronauts reinstall cameras on space station, run into glitchRussian astronauts Oleg Kotov and Sergey Ryazanskiy ventured outside the International Space Station to install an HD camera.
As Arctic ice melts, polar bears learn to live off the landPolar bears are adapting to melting Arctic sea ice by shifting their diet to include more land-based food, new research indicates.
Age of Grand Canyon bewilders, perplexesNew findings about the formation of the Grand Canyon may do little to resolve a heated geological debate over the canyon's age.
China's Jade Rabbit moon rover is malfunctioning. Will it recover?China's Jade Rabbit moon rover, which touched down on the lunar surface in December, experienced a 'mechanical control abnormality' as it entered a hibernation period, Xinhua reports.
Ancient European hunter-gatherer had blue eyes, dark skinA genetic analysis of a man who lived on the Iberian Peninsula some 7,000 years ago reveals much darker skin than scientists had anticipated, but with blue eyes.
Noah's Ark: Was it really round?Noah's Ark? A 4,000-year-old clay tablet from ancient Mesopotamia – modern-day Iraq – detailed instructions for building a giant round vessel known as a coracle. Is this vessel Noah's Ark?
Antarctica warming tied to natural cycle in tropical Atlantic, study saysResearchers at NYU found that in the current warm phase of the tropical Atlantic oscillation, a change in wind patterns pushes warm air aong the Antarctic Peninsula.
With a love song, a frog seals its doomMale tungara frogs' love songs, intended to entice the female of the species, often attract hungry bats instead, say scientists.
The little rover that could? Opportunity turns 10, keeps on roving.Mars Opportunity Rover landed on Mars 10 years ago today. Though only expected to survive three months, Opportunity is still producing breathtaking discoveries.
Ants in space! Cygnus craft delivers 640 new astronauts to space stationA small colony of sterile ants in space will help scientists learn how these creatures adjust to microgravity.
Earthquakes: Why ground under Los Angeles could make big one even biggerUsing a new technique to monitor a 'virtual earthquake,' seismologists tracked ambient noise traveling through the ground and found that the sediment under Los Angeles would amplify the shock waves.
Half a world apart, Mars rover 'cousins' find signs of water friendly to lifeMars rover Opportunity, the older cousin of Curiosity, celebrated nearly 10 years on the planet by finding ancient clays that signal the presence of water that was neither too acidic nor too salty.
A quarter of the world's sharks and rays now threatened with extinction, say scientistsOverfishing threatens to extinguish one in four of the world's cartilaginous fish species, according to new research.
Ancient forests were thrifty with CO2, study findsLow levels of carbon dioxide in the atmosphere required trees to cut down their carbon dioxide consumption. As a result, the Earth's atmosphere and climate were stabilized over the past 24 million years, say scientists.
How a frog's mating call invites death from aboveTo attract a mate, the male túngara frog croaks from a shallow puddle, sending out ripples that invite not just female frogs, but also hungry bats.
NASA set to launch snazzy new communications satelliteThe space agency's 3.8-ton TDRS L satellite is scheduled to lift off from Cape Canaveral at 9:05 EST on Thursday.
By chance, astronomy students spot humongous space explosionIt was a euphoric moment for students at the University of London after they serendipitously spotted a powerful supernova in the M82 galaxy. The supernova is one of the closest to be spotted from Earth in recent decades, say scientists.
Texting can make you walk funny, say scientistsTapping out a text message while walking can make you weave, dawdle, and maybe even topple over, new research indicates.
Water vapor on mysterious dwarf planet intrigues scientistsResearchers using the Herschel space observatory were surprised to spot water vapor on Ceres, a massive dwarf planet orbiting in the asteroid belt between Mars and Jupiter.
