Glaciers that extend off the edges of landmasses move much more than scientists anticipated, R. Gadi and colleagues have found. The boundary between the grounded part of a glacier and the point at which the glacier extends ...
Earth Sciences
Jan 11, 2024
0
23
Europa, one of Jupiter's many moons, may be capable of supporting life because its icy surface likely obscures a deep, salty ocean. Europa's ocean is also in direct contact with its mantle rocks, and interactions between ...
Planetary Sciences
Jan 11, 2024
2
275
As greenhouse gas levels increase in Earth's atmosphere, scientists are considering ways to temporarily limit rising temperatures. One idea is to inject aerosols into the stratosphere to reflect incoming sunlight, thereby ...
Earth Sciences
Jan 9, 2024
5
93
Titan's "magic islands" are likely floating chunks of porous, frozen organic solids, a new study finds, pivoting from previous work suggesting they were gas bubbles. The study was published in Geophysical Research Letters.
Planetary Sciences
Jan 5, 2024
0
1074
In 80% of African countries, human settlements move toward rivers and into cities during drought, increasing the number of people living in flood-risk areas in recent decades, according to a recent study. This resettlement ...
Environment
Dec 21, 2023
0
42
One of the hottest debates in archaeology is how and when humans first arrived in North America. Archaeologists have traditionally argued that people walked through an ice-free corridor that briefly opened between ice sheets ...
Archaeology
Dec 16, 2023
1
1232
Scientists often field check their findings, heading outside to see if computer models match with what is happening in the real world. But doing so is challenging when the field is two and a half miles up. Enter a new field ...
Environment
Dec 13, 2023
0
49
Frequent droughts—interspersed with floods—have become the new norm in eastern East Africa over the past few years, driving a massive food security crisis. In 2020, the Horn of Africa entered its longest and most severe ...
Earth Sciences
Dec 7, 2023
0
44
Activity from the sun, such as solar flares, can cause fluctuations in Earth's geomagnetic field that send electrical currents flowing through power grids. These geomagnetically induced currents (GICs) can cause problems ...
Earth Sciences
Dec 5, 2023
0
1
Preparations for a safe landing on Earth, such as finding the most even terrain and equipping the appropriate landing gear, are also crucial for Mars missions.
Planetary Sciences
Dec 4, 2023
0
108
