All Science
First LookTeeth reveal new extinct species of giant sharkThe examination of rare fossilized teeth has led to the discovery of an extinct species of giant shark.
First LookWhat's next for NASA's Curiosity Mars rover?As the NASA rover makes its way up Mount Sharp, scientists hope its discoveries will provide a better understanding of the ancient lakes on Mars.
Yosemite's endangered frogs show signs of reboundThe Sierra Nevada yellow-legged frog was once one of the most common amphibians in those mountains. Today, the frog is a rare sight. But scientists now say they're starting to return.
Gobi Desert dinosaur footprint: What does it mean?Could massive fossilized footprints help settle Titanosaurs' contentious classification?
First LookWhy seismologists warned of a big earthquake in California this weekThe threat of a magnitude 7.0 or greater earthquake could be as high as 1 percent through Tuesday, say seismologists.
First LookWhat spiral 'arms' around a star tell us about planet formationElias 2-27, seen by researchers at the ALMA observatory in Chile, may hold clues to helping understand how planetary formation works.
Mammal study suggests man may not be 'cruelest animal,' after allA study has found that many animals kill members of their own species at rates higher than those among human populations. What has caused the murder rate among humans to drop?
First LookCzech Republic home to world's deepest known underwater caveCzech Republic: An underwater cave found by Polish cave divers is called Hranická Propast. It was explored using an underwater robot.
Colonizing Mars: Will 'regular people' be allowed to go?SpaceX founder Elon Musk wants everyone to be a part of colonizing Mars. But space travel will likely come with some hefty costs.
First LookDid Mars's crust contribute to its atmosphere?According to a new study released by NASA scientists, xenon and krypton isotopes detected on Mars by the Curiosity rover could help scientists track changes to the planet's atmosphere over time.
First LookBye-bye Rosetta: Why scientists crashed the famed comet-explorer on purposeIn a last gasp of scientific data collection, the Rosetta orbiter sent 'once-in-a-lifetime measurements' of comet 67P/Churyumov-Gerasimenko back to Earth.
How a bizarre Triassic reptile could change what an arm looks likeOver 200 million years ago, a reptile roamed the Earth with forelimbs unlike those paleontologists expected. What could they have been for?
After more than a decade, Rosetta space probe makes its final landingThe space probe, launched in 2004, will be crash-landed on a comet. Rosetta and its lander have given researchers significant insights into comets and the formation of celestial bodies.
First LookNorthern Lights: Iceland turns off the lights to admire nature's ownThe blackout was a deliberate move by city officials, who hoped to cut light pollution and give residents a better view of the Aurora Borealis.
- First LookWhat were ancient Roman coins doing underneath a Japanese castle?
Archaeologists found the coins beneath an ancient castle in Okinawa, Japan. Roman coins have never before been found in the country, leaving researchers questioning exactly where they came from.
Why the United Nations is launching a space missionThe UN Office for Outer Space Affairs, in partnership with the Sierra Nevada Corporation, will launch a mission that provides developing countries with the opportunity to launch an experimental payload into low-Earth orbit.
Our corner of the Milky Way might be bigger than previously thoughtIt's difficult to take a galactic selfie, but scientists have found a way to learn more about the structure of our galaxy from within it. And, they say, our models are becoming more complex.
Earth is locked into 5 degrees Celsius of global warming? Not so fast.A recent climate study implied that Earth was 'locked into' 5 Celsius degrees of warming, but experts say that forecast is off-base
Earth CO2 levels: Have we crossed a point of no return?Earth CO2 levels: The annual low for atmospheric concentrations of carbon dioxide has crossed the 400 parts per million threshold, a level not seen for millions of years.
Did your zodiac sign change? Don't worry, NASA says astrology is still fakeNASA kicked up an internet firestorm when it explained that the tilting of Earth's axis has caused the traditional astrological signs to shift. Why you shouldn't worry if you are no longer a Taurus.
