Marks on Martian dunes may be tracks of dry-ice sleds
(Phys.org) —NASA research indicates hunks of frozen carbon dioxide—dry ice—may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go.
Mars rover Opportunity examines clay clues in rock
(Phys.org) —NASA's senior Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water.
Light switches brain signaling: Longer days bring 'winter blues' for rats
Most of us are familiar with the "winter blues," the depression-like symptoms known as "seasonal affective disorder," or SAD, that occurs when the shorter days of winter limit our exposure to natural light ...
Clear link between solar activity and winter weather revealed
Scientists have demonstrated a clear link between the 11-year sun cycle and winter weather over the northern hemisphere for the first time.
Warming temperatures are pushing two chickadee species—and their hybrids—northward
The zone of overlap between two popular, closely related backyard birds is moving northward at a rate that matches warming winter temperatures, according to a study by researchers from the Cornell Lab of ...
Climate change unlikely to reduce UK's excess winter death rate, study reports
New research published today has found that climate change is unlikely to reduce the UK's excess winter death rate as previously thought.
Click away the snow
The control center at the Cologne Bonn Airport coordinates a number of actors during winter services. The new software upgrades the airport's central control of winter service activities. Now, one click is ...
Holiday magic? Reindeer eyes change from gold to blue at Christmas
Rudolph the fictional reindeer was famous for his oddly colored nose, but his true-life cousins have eyes that change color depending on the season.
Traffic jams lend insight into emperor penguin huddle
Emperor penguins maintain the tight huddle that protects them from the harsh conditions of an Antarctic winter with stop-and-go movements like cars in a traffic jam, a new study has shown.
ISS crew returns to Earth with Olympic torch (Update)
Three astronauts returned to Earth on Monday after a 166-day mission, bringing the Olympic torch back from the International Space Station after a historic space walk.
Trio takes Soyuz for spin around ISS
An international trio of astronauts on Thursday took a Soyuz space capsule on a rare trip around the International Space Station in preparation for the arrival of a new crew next week.
Bright eyes: Study finds reindeers' eyes change colour with Arctic seasons
Researchers have discovered the eyes of Arctic reindeer change colour through the seasons from gold to blue, adapting to extreme changes of light levels in their environment and helping detect predators.
Mars rover Opportunity heads uphill
(Phys.org) —NASA's Mars Exploration Rover has begun climbing "Solander Point," the northern tip of the tallest hill it has encountered in the mission's nearly 10 Earth years on Mars.
Chasing the black holes of the ocean
According to researchers from ETH Zurich and the University of Miami, some of the largest ocean eddies on Earth are mathematically equivalent to the mysterious black holes of space. These eddies are so tightly ...