After collecting eight rock-core samples from its first science campaign and completing a record-breaking, 31-Martian-day (or sol) dash across about 3 miles (5 kilometers) of Mars, NASA's Perseverance rover arrived at the ...
Planetary Sciences
Apr 19, 2022
0
244
Under the gray stone of a municipal highway department quarry, the oldest trees in the world left traces of their roots beneath a ridge and forest pool 385 million years ago.
Plants & Animals
Sep 8, 2021
0
441
Hundreds of millions of people live on river deltas around the world, making them central to rich diversity in culture and thriving economies. As deltas face environmental degradation and ongoing climate change, governments ...
Environment
Jul 14, 2021
2
18
More than 300 million people in low-lying river deltas, mostly in poorer nations, are exposed to flooding from tropical storms made more deadly and destructive by global warming, researchers said Tuesday.
Environment
Sep 30, 2020
2
156
With eight successful Mars landings, NASA is upping the ante with its newest rover.
Space Exploration
Jul 27, 2020
0
274
Undulating streaks of land visible from space reveal rivers once coursed across the Martian surface—but for how long did the water flow? Enough time to record evidence of ancient life, according to a new Stanford study.
Space Exploration
Apr 23, 2020
10
846
Natural environmental processes—not upstream energy projects—are the primary cause of changing flood patterns in Alberta's Athabasca Delta, new research shows.
Environment
Dec 19, 2019
0
34
There's a galaxy of gifts out there for space nerds. Researchers at The University of Texas at Austin may have just the thing to set your present apart: a model of Jezero Crater, the landing site of NASA's upcoming Mars 2020 ...
Space Exploration
Dec 16, 2019
1
65
River deltas, with their intricate networks of waterways, coastal barrier islands, wetlands and estuaries, often appear to have been formed by random processes, but scientists at the University of California, Irvine and other ...
Mathematics
Oct 19, 2017
3
168
Wind-driven expansion of marsh ponds on the Mississippi River Delta is a significant factor in the loss of crucial land in the Delta region, according to research published by scientists at Indiana University and North Carolina ...
Earth Sciences
Apr 21, 2017
2
99
