When did molecular oxygen, the gas that all large and complex forms of life on Earth today require to function, first appear on Earth?
Earth Sciences
Apr 13, 2023
0
398
Somewhere in a remote stretch of forest near Maine's border with Canada, rocks from space crashed to Earth and may be scattered across the ground—just waiting to be picked up.
Space Exploration
Apr 12, 2023
0
18
A technique known as "enhanced rock weathering" may help remove carbon from the atmosphere, and a model shows the method will only leak minimal carbon if its products are stored in the ocean. Constraining the planet below ...
Earth Sciences
Apr 5, 2023
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2
How did we get from stardust to where we are today? That's the question NASA scientist Andrew Needham has pondered his entire career.
Space Exploration
Apr 4, 2023
0
49
NASA's Perseverance rover cored and stored the first sample of the mission's newest science campaign on Thursday, March 30. With each campaign, the team explores and studies a new area. On this one, the rover is exploring ...
Planetary Sciences
Apr 1, 2023
1
533
Lunar surface water has attracted much attention due to its potential for in-situ resource utilization by future lunar exploration missions and other space missions
Space Exploration
Mar 27, 2023
0
21
Geologists have long contested the structure of the Red Sea. Many regard it as an extended rift basin where two continental plates are actively moving apart, while others see it as a fully developed ocean with a mid-ocean ...
Earth Sciences
Mar 21, 2023
0
135
There are few places on Earth as isolated as Trindade island, a volcanic outcrop a three- to four-day boat trip off the coast of Brazil.
Earth Sciences
Mar 21, 2023
5
8614
There is a reason you have not come across a unicorn fossil in a museum exhibit, let alone seen one in a zoo or heard an iconic grandfatherly voice detail their daily trepidations in a BBC documentary. The reason being—spoiler ...
The desert in southern Egypt is filled with hundreds of petroglyphs and inscriptions dating from the Neolithic to the Arab period. The oldest date from the fifth millennium B.C., and few have been studied. Egyptologists at ...
Archaeology
Mar 15, 2023
1
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