Mars' bright south pole reflections may be clay—not water
Bright reflections observed at Mars' south pole serve as evidence for water. But, seeing may be deceiving.
Planetary Sciences
Jul 29, 2021
1
357
Geophysical Research Letters
Bushfires, not pandemic lockdowns, had biggest impact on global climate in 2020
When a team of scientists began analyzing events that influenced the world's climate in 2020, they made sure to consider the pandemic-related lockdowns that reduced emissions and led to clearer skies over many cities.
Earth Sciences
Jul 28, 2021
0
316
How a sudden stratospheric warming affected the Northern Hemisphere
Weather is a tricky science—even more so at very high altitudes, with a mix of plasma and neutral particles.
Earth Sciences
Jul 23, 2021
40
1517
Climate change to bring more intense storms across Europe
Climate change is driving a large increase in intense, slow-moving storms, a new study by Newcastle University and the Met Office has found.
Earth Sciences
Jul 16, 2021
18
372
Solar radio signals could be used to monitor melting ice sheets
The sun provides a daunting source of electromagnetic disarray—chaotic, random energy emitted by the massive ball of gas arrives to Earth in a wide spectrum of radio frequencies. But in that randomness, Stanford researchers ...
Earth Sciences
Jul 14, 2021
0
9
Tree rings show record of newly identified extreme solar activity event
The sun constantly emits a stream of energetic particles, some of which reach Earth. The density and energy of this stream form the basis of space weather, which can interfere with the operation of satellites and other spacecraft. ...
Earth Sciences
Jul 13, 2021
15
1907
NASA space lasers map meltwater lakes in Antarctica with striking precision
From above, the Antarctic Ice Sheet might look like a calm, perpetual ice blanket that has covered Antarctica for millions of years. But the ice sheet can be thousands of meters deep at its thickest, and it hides hundreds ...
Earth Sciences
Jul 7, 2021
0
274
Hydrothermal vents may add ancient carbon to ocean waters
Earth's oceans play a pivotal role in the global carbon cycle. As seawater moves and mixes, it stores and transports huge amounts of carbon in the form of dissolved organic and inorganic carbon molecules. However, the various ...
Earth Sciences
Jul 7, 2021
0
12
Study looks more closely at Mars' underground water signals
A new paper finds more radar signals suggesting the presence of subsurface 'lakes," but many are in areas too cold for water to remain liquid.
Planetary Sciences
Jun 25, 2021
0
36
Antarctic lake suddenly disappears
A global team of scientists including several from Scripps Institution of Oceanography at the University of California San Diego discovered the sudden demise of a large, deep, ice-covered lake on the surface of an Antarctic ...
Earth Sciences
Jun 25, 2021
4
1103
