Results 11 to 20 of about 4,021 (237)
Domed‐rim microbial polygons and their preservation potential
The Depositional RecordMicrobially induced sedimentary structures (MISS) derive from the interaction between sediments and unicellular microorganisms and are of interest to the search for the earliest signs of life in ancient rocks, on Earth and on Mars.
Franziska R. Blattmann +11 more
doaj +2 more sources
Life, 2021 As we expand the search for life beyond Earth, a water-dominated planet, we turn our eyes to other aquatic worlds. Microbial life found in Earth’s many extreme habitats are considered useful analogs to life forms we are likely to find in extraterrestrial
Bopaiah Biddanda +8 more
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Social Sciences and Humanities Open, 2021 Unidentified Flying Objects (also called UFO) are usually related to the magical beliefs that accept the existence of extraterrestrial beings and alien abductions.
Álex Escolà-Gascón +2 more
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The Osmium Isotope Signature of Phanerozoic Large Igneous Provinces
Geophysical Monograph Series, Page 229-246., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Alexander J. Dickson +2 more
wiley +2 more sources
Studia Philosophiae Christianae, 2023 This book presents a complex picture of the universe and man from historical and contemporary perspectives, including philosophical, theological, and scientific perspectives. It consists of several papers by authors from various fields, and it is divided
Štefan Zolcer
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Thinking outside Earth’s box—how might heredity and evolution differ on other worlds?
Evolution: Education and Outreach, 2022 Scholars and the public conceive of extraterrestrial life through the lens of "life as we know it" on Earth. However, assumptions based on centuries of study around heredity and evolution on Earth may not apply to life truly independent forms of life ...
Mohamed A. F. Noor
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Biosemiotic knowledge — a prerequisite for valid explorations of extraterrestrial intelligent life
Sign Systems Studies, 2002 The scientific search for extraterrestrial intelligent life is probably one of the most ambitious projects ever taken in biology. The article discusses methodological problems associated with the search.
Elling Ulvestad
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Earth and Planetary Physics, 2022 For decades, the search for potential signs of Martian life has attracted strong international interest and has led to significant planning and scientific implementation.
JianXun Shen +5 more
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Viroids-First—A Model for Life on Earth, Mars and Exoplanets
Geosciences, 2019 The search for extraterrestrial life, recently fueled by the discovery of exoplanets, requires defined biosignatures. Current biomarkers include those of extremophilic organisms, typically archaea.
Karin Moelling, Felix Broecker
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A Statistical Approach to Illustrate the Challenge of Astrobiology for Public Outreach
Life, 2017 In this study, we attempt to illustrate the competition that constitutes the main challenge of astrobiology, namely the competition between the probability of extraterrestrial life and its detectability.
Frédéric Foucher +3 more
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