Life might be easiest to find on planets that match an earlier Earth
We're inching closer and closer to reliably detecting biosignatures on distant planets. Much of the focus is on determining which chemicals indicate life's presence.
We're inching closer and closer to reliably detecting biosignatures on distant planets. Much of the focus is on determining which chemicals indicate life's presence.
Astrobiology
Nov 17, 2023
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Researchers from institutions including the Department of Energy's Oak Ridge National Laboratory have created a new method for statistically analyzing climate models that projects future conditions with more fidelity.
Earth Sciences
Nov 16, 2023
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The Reykjanes peninsula in south-west Iceland trembled with an intense swarm of earthquakes on the afternoon of Friday November 10. Hundreds of quakes were detected on the regional networks of seismometers and several were ...
Earth Sciences
Nov 15, 2023
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After seven years in space and over 4 billion miles traveled, NASA's OSIRIS-REx mission successfully collected and delivered the first U.S. sample from a near-Earth asteroid. Yet, after all this time and travel, the spacecraft ...
Space Exploration
Nov 1, 2023
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Giant gas planets can be agents of chaos, ensuring nothing lives on their Earth-like neighbors around other stars. New studies show, in some planetary systems, the giants tend to kick smaller planets out of orbit and wreak ...
Astronomy
Oct 31, 2023
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Dr. Alice Stephant, an astrophysicist, is helping to solve a longstanding mystery about water on Earth: where it came from.
Planetary Sciences
Oct 24, 2023
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Why do we feel stuck in our efforts to solve the great sustainability crises of the 21st century? Between the dire need to successfully mitigate climate change while making progress on human-focused Sustainable Development ...
Earth Sciences
Oct 20, 2023
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A small team of political scientists and astronomers at the University of British Columbia has conducted a study of the number of filings to the International Telecommunication Union (ITU) by entities wishing to send satellites ...
Plant pathogens can hitch rides on dust and remain viable, with the potential for traveling across the planet to infect areas far afield, a finding with important implications for global food security and for predicting future ...
Earth Sciences
Oct 10, 2023
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Climate change that has occurred over the past 260 million years and brought about mass extinctions of life during these periods was due to massive volcanic eruptions and subsequent environmental crises, concludes a team ...
Earth Sciences
Oct 10, 2023
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