This sure looks like the movements of a glacier across ancient Mars
It is a scientific certainty that Mars was once a much different place, with a denser atmosphere, warmer temperatures, and where water once flowed. Evidence of this past is preserved in countless surface features, ranging from river channels and allu.....»»
Findings reveal eurypterids evolved giant size independently at least nine times
Sea scorpions, ancient predators that patrolled Earth's marine and freshwater habitats hundreds of millions of years ago, are the focus of a sizable scientific mystery......»»
Jamestown DNA helps solve a 400-year-old mystery and unexpectedly reveals a family secret
An ancient DNA (aDNA) study at the 17th-century English colony of Jamestown, Virginia, has identified two of the town's earliest settlers, and revealed an unexpected family secret......»»
Novel anemometer tracks sound travel for speedier, more precise wind speed calculations on Mars
Mars has a notoriously inhospitable environment, with temperatures that fluctuate dramatically over the course of a Martian day and average minus 80 degrees Fahrenheit. Its surface is mostly covered in red dust, with terrain typified by craters, cany.....»»
Mars has ‘oceans’ worth’ of water – but it’s deep underground
Researchers have identified what they believe could be oceans' worth of water on Mars. There's just one snag: it's deep underground......»»
New study unveils 16,000 years of climate history in the tropical Andes
A new study that explores ancient temperatures and rainfall patterns in the tropical Andes of South America has revealed how 16,000 years of climate history in this part of the world was driven by carbon dioxide levels and ocean currents from global.....»»
Scientists find oceans of water on Mars. It"s just too deep to tap.
Using seismic activity to probe the interior of Mars, geophysicists have found evidence for a large underground reservoir of liquid water—enough to fill oceans on the planet's surface......»»
Unveiling the ancient Maya"s relationship to animals and nature
As the scorching May sun of Central Belize blazes down on us, temperatures soar to a staggering 106°F. Local farmers anxiously await the onset of the rainy season to sow their crops, but the much-needed first rain remains elusive. This property is o.....»»
Mars and Jupiter get chummy in the night sky. The planets won"t get this close again until 2033
Mars and Jupiter are cozying up in the night sky for their closest rendezvous this decade......»»
Discovery of tiny bone sheds light on mysterious "hobbit" humans
The discovery of a tiny arm bone suggests that an ancient human dubbed "hobbits" only shrank down to their diminutive size after they arrived on an Indonesian island a million years ago, scientists said on Tuesday......»»
135-million-year-old marine crocodile sheds light on Cretaceous life
An international team of scientists, including researchers from Germany and the UK, have described a new species of ancient marine crocodile, Enalioetes schroederi. Enalioetes lived in the shallow seas that covered much of Germany during the Cretaceo.....»»
Research shows that glossy black-cockatoos prefer to feed from trees growing in acidic soils
Glossy black-cockatoos are seed-eating birds that feed almost exclusively on the cones of drooping sheoak trees. However, counter-intuitively, they select trees that grow on the poorest soils found on ancient sedimentary rocks......»»
Tracking the restorative effects of good fire
A few miles south of Yosemite's famed Glacier Point, ringed by striking granite domes, lies the Illilouette Basin. This small stretch of the Sierra Nevada Mountains has become a sort of fire laboratory, a place where natural wildfires have been allow.....»»
Ancient grains of dust from space can be found on Earth—and provide clues about the life cycle of stars
In space, there are clouds that contain gas and dust ejected from stars. Our solar system was formed 4.6 billion years ago from such a molecular cloud. Most of these dust grains were destroyed during solar system formation. However, a very small amou.....»»
Here"s how Curiosity"s sky crane changed the way NASA explores Mars
Twelve years ago, NASA landed its six-wheeled science lab using a daring new technology that lowers the rover using a robotic jetpack......»»
Weather "whiplash" in Antarctica may help predict effects of future climate change
The McMurdo Dry Valleys of Antarctica live up to their name. The region is one of the driest places on Earth—mountains form a wall around the valleys and prevent melting glacier water from intruding, humidity is extremely low, and no rain was docum.....»»
Model suggests spewing metal nanorods into Mars" atmosphere could warm the planet by 30 K
A small team of engineers and geophysicists from Northwestern University, the University of Chicago, and the University of Central Florida has found, via modeling, that creating millions of metal nanorods from material on the Martian surface and then.....»»
What Did Ancient Humans Think When They Looked Up at the Night Sky?
Archaeoastronomers piece together how people understood the heavens thousands of years ago......»»
Using dental growth rings scientists reveal differences in growth patterns between ancient and modern mammals
A study published in Science Advances reveals how early mammals grew and developed during their pivotal Jurassic radiation. Using a technique called synchrotron X-ray tomography to image growth rings in fossilized tooth roots, the researchers were ab.....»»
Apple has closed an ancient macOS Safari security hole
Apple is fixing a vulnerability in Safari for macOS, that seems to date back to the dawn of Intel Macs.Icon for Safari in macOSThe Defcon hacking conference is taking place from August 8 to August 11 in Las Vegas, which hosts talks about newly discov.....»»
Microsoft says Delta’s ancient IT explains long outage after CrowdStrike snafu
"Delta, unlike its competitors... has not modernized its IT infrastructure." Enlarge / Delta Air Lines customers looking for missing bags wait in line at Los Angeles International Airport (LAX) on July 24, 2024. (credit: Getty Im.....»»