Using the word predation may seem surprising when we talk about the first organisms that set out to eat other organisms, for they were not deadly predators with sharp teeth and claws, but small single-celled life forms that ...
Evolution
Dec 20, 2022
0
231
In the coming days, NASA's Perseverance rover is expected to begin building the first sample depot on another world. This will mark a crucial milestone in the NASA-ESA (European Space Agency) Mars Sample Return campaign, ...
Space Exploration
Dec 16, 2022
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15
A study published in Science analyses multiple rocks found at the bottom of Jezero Crater on Mars, where the Perseverance rover landed in 2020, revealing significant interaction between the rocks and liquid water. Those rocks ...
Planetary Sciences
Nov 24, 2022
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2999
NASA's Perseverance Mars rover has begun exploring an area the science team calls "Yori Pass" near the base of Jezero Crater's ancient river delta. They've been eager to explore the region for several months after spotting ...
Planetary Sciences
Nov 17, 2022
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354
The earliest morphological traces of life on Earth are often highly controversial, both because non-biological processes can produce relatively similar structures and because such fossils have often been subjected to advanced ...
Astrobiology
Nov 7, 2022
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311
Curtin University researchers studying molecular fossils or "biomarkers" from deep beneath the Chicxulub impact crater have found evidence of how microorganisms changed in response to fluctuations in the Earth's climate, ...
Earth Sciences
Oct 21, 2022
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46
Oxygen levels in the Earth's atmosphere are likely to have "fluctuated wildly" 1 billion years ago, creating conditions that could have accelerated the development of early animal life, according to new research. 
Evolution
Oct 14, 2022
1
179
Looking up at the moon in the night sky, you would never imagine that it is slowly moving away from Earth. But we know otherwise. In 1969, NASA's Apollo missions installed reflective panels on the moon. These have shown that ...
Astronomy
Oct 10, 2022
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1748
As the climate crisis continues to affect the American West, sunken boats and human remains aren't the only surprises to be revealed by record-low water levels at Lake Mead. Sedimentary rocks that hadn't been seen since the ...
Earth Sciences
Sep 27, 2022
0
11
NASA's Perseverance Mars rover has detected its highest concentrations yet of organic molecules, in a potential signal of ancient microbes that scientists are eager to confirm when the rock samples are eventually brought ...
Planetary Sciences
Sep 17, 2022
3
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