When NASA's Perseverance Mars rover tried to collect its first rock core sample last August, the outcome presented a puzzle for the mission team: The rover's sample tube came up empty. But why?
Astrobiology
Feb 14, 2022
0
30
Unlike the classic Jules Verne science fiction novel "Journey to the Center of the Earth" or movie "The Core," humans cannot venture into the Earth's interior beyond a few kilometers of its surface. But thanks to latest advances ...
Earth Sciences
Feb 14, 2022
0
114
The supercontinent Pangaea, which was a combination of today's continents, broke apart at the end of the Triassic period due to large-scale volcanic activity. This volcanic activity was thought to be the most likely cause ...
Earth Sciences
Jan 31, 2022
0
195
New research provides further evidence that rocks representing up to a billion years of geological time were carved away by ancient glaciers during the planet's "Snowball Earth" period, according to a study published in Proceedings ...
Earth Sciences
Jan 25, 2022
0
1819
Liquid water previously detected under Mars' ice-covered south pole is probably just a dusty mirage, according to a new study of the red planet led by researchers at The University of Texas at Austin.
Planetary Sciences
Jan 24, 2022
1
595
At the far edges of continents, where the continental shelf transitions into the deep ocean, continental and oceanic plates come face to face. At many of these margins, the denser oceanic plate is pushed below the continental ...
Earth Sciences
Jan 24, 2022
0
519
About 2.4 billion years ago, Earth's atmosphere underwent what is called the Great Oxidation Event (GOE). Prior to the GOE, early Earth had far less molecular oxygen than we have today. After the GOE, molecular oxygen began ...
Earth Sciences
Jan 19, 2022
1
418
The hotspots that created volcanic islands such as those of Hawaii, Iceland and the Galapagos Islands may often prove surprisingly cool, a new study finds.
Earth Sciences
Jan 7, 2022
0
276
Scorchingly hot granite deep underground can be tapped for energy by opening up cracks in the rock. This potential resource, known as enhanced geothermal energy, requires a clear sense of changes happening in the rock over ...
Earth Sciences
Dec 20, 2021
1
67
Scientists with NASA's Perseverance Mars rover mission have discovered that the bedrock their six-wheeled explorer has been driving on since landing in February likely formed from red-hot magma. The discovery has implications ...
Planetary Sciences
Dec 15, 2021
1
993
