A new study led by University of Arizona researchers may have solved two mysteries that have long puzzled paleo-climate experts: Where did the ice sheets that rang in the last ice age more than 100,000 years ago come from, ...
Earth Sciences
Jun 24, 2022
45
2607
An analysis of ancient DNA from a 100,000-year-old polar bear has revealed that extensive hybridization between polar bears and brown bears occurred during the last warm interglacial period in the Pleistocene, leaving a surprising ...
Plants & Animals
Jun 16, 2022
2
1072
At the current rate of retreat the vast glaciers, which extend deep into the heart of the ice sheet, could contribute as much as 3.4 meters to global sea level rise over the next several centuries.
Earth Sciences
Jun 9, 2022
66
755
In a new study published today in the journal Science, the team from Cardiff University has been able to pinpoint exactly how the tilting and wobbling of the Earth as it orbits around the Sun has influenced the melting of ...
Earth Sciences
May 26, 2022
103
1301
Billions of years ago, a series of volcanic eruptions broke loose on the moon, blanketing hundreds of thousands of square miles of the orb's surface in hot lava. Over the eons, that lava created the dark blotches, or maria, ...
Space Exploration
May 18, 2022
0
440
Despite the rapid melting of ice in many parts of Antarctica during the second half of the 20th century, researchers have found that the floating ice shelves which skirt the eastern Antarctic Peninsula have undergone sustained ...
Earth Sciences
May 13, 2022
1
112
A new study using data from NASA's Mars Odyssey orbiter may explain why Martian frost can be invisible to the naked eye and why dust avalanches appear on some slopes.
Planetary Sciences
May 5, 2022
0
153
Many scientists say that liquid water is a key to understanding the behavior of the frozen form found in glaciers. Melt water is known to lubricate their gravelly bases and hasten their march toward the sea. In recent years, ...
Earth Sciences
May 5, 2022
0
162
A University of Arizona tree-ring expert is closer than ever to pinning down the date of the infamous Thera volcano eruption—a goal she has pursued for decades.
Earth Sciences
May 2, 2022
3
462
Europa is a prime candidate for life in our solar system, and its deep saltwater ocean has captivated scientists for decades. But it's enclosed by an icy shell that could be miles to tens of miles thick, making sampling it ...
Astrobiology
Apr 19, 2022
0
1547
