People have observed the bright Martian poles wax and wane for centuries, but only within the last 50 years have scientists discovered that they are mostly comprised of carbon dioxide cycling in and out of the atmosphere ...
Planetary Sciences
Sep 3, 2024
0
95
Cube-shaped snow, icy landscapes, and frost are all part of the Red Planet's coldest season.
Planetary Sciences
Dec 23, 2022
2
305
Extreme heat this year has triggered wildfires, drought and melting glaciers. Less expectedly, it's also revealed some weird and dark things about our past—shipwrecks, corpses, ghost villages, ornamental gardens and ancient ...
Archaeology
Aug 15, 2022
0
230
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
One of the great mysteries of late medieval history is why did the Norse, who had established successful settlements in southern Greenland in 985, abandon them in the early 15th century? The consensus view has long been that ...
Archaeology
Mar 23, 2022
2
1271
New research led by the University of Massachusetts Amherst definitively resolves a long-standing discrepancy in the geologic record that pitted studies of marine ice-sheet behavior against those that reconstructed past conditions ...
Earth Sciences
Feb 14, 2022
3
156
It's a sweltering summer afternoon. I'm pushing aside tree limbs and crunching leaves to get back to the trap that I baited two hours ago with dry ice to attract ticks. When I get closer, I can see a gossamer mist hovering ...
Ecology
Aug 23, 2021
0
480
Robert Levis dumped chunks of a whitish substance into a beaker of water, and immediately the liquid began frothing and churning like a sorcerer's potion, spewing plumes of fog across the table of his office at Temple University.
Materials Science
Mar 22, 2021
0
10
A Southwest Research Institute (SwRI) scientist examined 11 Mars years of image data to understand the seasonal processes that create linear gullies on the slopes of the megadune in the Russell crater on Mars. In early spring ...
Planetary Sciences
Feb 24, 2021
1
86
Since they were first observed in the 1970s by the Viking missions, the slope streaks that periodically appear along slopes on Mars have continued to intrigue scientists. After years of study, scientists still aren't sure ...
Space Exploration
Jan 23, 2019
0
44
