A massive new review of ancient atmospheric carbon-dioxide levels and corresponding temperatures lays out a daunting picture of where the Earth's climate may be headed. The study covers geologic records spanning the past ...
Earth Sciences
Dec 7, 2023
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Astronomers know of about 60 rocky exoplanets orbiting in the habitable zones of their stars. When they try to determine how habitable these planets might be, detecting water in their atmospheres plays a huge role. But what ...
Planetary Sciences
Dec 7, 2023
0
55
For many years, scientists have predicted that many of the elements that are crucial ingredients for life, like sulfur and nitrogen, first came to Earth when asteroid-type objects carrying them crashed into our planet's surface.
Astrobiology
Dec 7, 2023
0
116
CU Boulder geologist Brian Hynek has helped to document what may be a unique kind of ecosystem on Earth—and a possible window into the earliest stages of life on this planet 3.5 billion years ago, and even life on ancient ...
Earth Sciences
Dec 6, 2023
1
47
A team of biophysicists affiliated with several institutions in China has uncovered via experimentation the means by which early life might have been able to survive cosmic radiation. In their study, reported in the journal ...
The world has reached a pivotal moment as threats from Earth system tipping points—and progress towards positive tipping points—accelerate, a new report shows.
Earth Sciences
Dec 6, 2023
0
12
Planet Earth is full of some truly awe-inspiring spectacles, but few are as intriguing as sprites, which are officially known as a transient luminous event (TLE) and consist of large-scale electric discharges that shoot upward ...
Planetary Sciences
Dec 5, 2023
0
3
A malaria-carrying mosquito that thrives in urban environments is moving into Africa where a construction boom may be one factor helping the newcomer feel at home.
Ecology
Dec 5, 2023
0
13
In 2019, the GLOBE Land Cover project began asking volunteers to help map planet Earth by taking photos of their surroundings facing multiple directions, including north, south, east and west. Now, a new paper published in ...
Earth Sciences
Dec 5, 2023
0
16
This Hubble image features a massive cluster of brightly glowing galaxies, first identified as Abell 3192. Like all galaxy clusters, this one is suffused with hot gas that emits powerful X-rays, and it is enveloped in a halo ...
Astronomy
Dec 5, 2023
0
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