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How Life Emerged on Early Earth: New Study Challenges Nitrogen Limitation Assumptions
Berlin, Germany (SPX) Mar 01, 2025 Researchers from RPTU University Kaiserslautern-Landau in Southwestern Germany are shedding new light on how life might have developed on early Earth. Their latest findings challenge long-standing theories that biologically available nitrogen was a limiting factor in early life's expansion. Nitrogen is a crucial component of proteins and other biological molecules. Although Earth's atmosphere is rich in nitrogen, most organisms, including humans and most plants, cannot absorb it directly. Instead, ... read more |
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MSU forges strategic partnership to solve the mystery of how planets are formedEast Lansing MI (SPX) Feb 28, 2025 Astronomers have long grappled with the question, How do planets form? A new collaboration among Michigan State University, Arizona State University and Lawrence Livermore National Laboratory will s ... more 
Young Star Clusters Spawn Free-Floating Planetary-Mass ObjectsBerlin, Germany (SPX) Feb 28, 2025 Planetary-mass objects (PMOs) are celestial wanderers, freely drifting through space without being bound to any star. Weighing less than 13 times the mass of Jupiter, these objects have been observe ... more 
Can we find floating vegetation on ocean planetsTokyo, Japan (SPX) Feb 28, 2025 Astronomical research has identified nearly 6,000 exoplanets, some of which reside in habitable zones where liquid water may exist on their surfaces. The quest to detect life on these distant worlds ... more 
Today's forecast Partially cloudy skies on an ultra-hot NeptuneLos Angeles CA (SPX) Feb 26, 2025 New insights into the extreme atmosphere of LTT 9779 b, a rare ultra-hot Neptune, have emerged from observations conducted using the James Webb Space Telescope (JWST). Led by Louis-Philippe Coulombe ... more |
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UC Irvine study explores habitability of exoplanets orbiting white dwarf starsLos Angeles CA (SPX) Feb 18, 2025 A recent study led by Aomawa Shields, associate professor of physics and astronomy at the University of California, Irvine, suggests that exoplanets orbiting white dwarf stars could be more habitabl ... more 
How Early Earth's Environmental Cycles Shaped Molecular EvolutionParis, France (SPX) Feb 18, 2025 A recent study has uncovered how environmental fluctuations on early Earth influenced the formation of complex chemical mixtures, offering insights into the prebiotic chemistry that may have led to ... more 
Study suggests intelligent life may be inevitableLos Angeles CA (SPX) Feb 18, 2025 A new study challenges the long-held belief that intelligent life is a rare cosmic accident, proposing instead that humanity's emergence was a predictable outcome of Earth's evolving environment. Th ... more 
Researchers confirm existence of habitable zone exoplanetLondon, UK (SPX) Feb 18, 2025 An international team of astronomers has validated the discovery of a super-Earth positioned within the habitable zone of a nearby Sun-like star. Initially detected two years ago by Oxford Universit ... more 
Efforts to find ET gains momentum with new technique that detects microbial movementBerlin, Germany (SPX) Feb 10, 2025 The search for life beyond Earth is among the most ambitious scientific quests. One promising method is to locate motile microorganisms, capable of self-propelled movement, which serves as a strong ... more |
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Apply for the Davie Postdoctoral Fellowship in Artificial Intelligence for Astronomy
Los Angeles CA (SPX) Feb 06, 2025 The SETI Institute has introduced the Davie Postdoctoral Fellowship in Artificial Intelligence for Astronomy, inviting researchers to enhance machine learning pipelines for exoplanet detection. The selected fellow will collaborate with Dr. Vishal Gajjar and his research team, along with partners at the SETI Institute and IIT Tirupati in India. This initiative aims to advance supervised convolutional neural network (CNN) architectures while integrating anomaly-detection methods to identify subtle o ... read more 
Wobbling Stars Lead to Discovery of Hidden Celestial Bodies in Gaia DataParis, France (SPX) Feb 06, 2025 Researchers using data from the European Space Agency's Gaia mission have identified an enormous exoplanet and a brown dwarf, marking a first in planetary discovery via Gaia's ability to detect stel ... more |
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How Early Earth Supported the Formation of Polyester ProtocellsTokyo, Japan (SPX) Feb 06, 2025 A leading hypothesis about the origins of life suggests that simple chemical compounds gradually evolved into complex structures, ultimately giving rise to protocells-primitive precursors to living ... more 
Efforts to Detect Alien Life Advanced by Simple Microbe Mobility TestBerlin, Germany (SPX) Feb 06, 2025 The search for extraterrestrial life remains one of humanity's most ambitious scientific pursuits. A promising approach to identifying life is through detecting motile microorganisms, which demonstr ... more 
Asteroid Bennu comes from a long-lost salty world with ingredients for lifeTucson AZ (SPX) Feb 04, 2025 Nature had the conditions to "cook up" the chemical precursor ingredients for life before Earth formed, according to two studies published by the sample analysis team of NASA's OSIRIS-REx mission, w ... more 
IGRINS on Gemini South Detects Surprising Signatures in Dynamic Atmosphere of Exoplanet WASP-121bTucson AZ (SPX) Feb 04, 2025 Nearly one third of known exoplanets are enormous gas giants, similar to Jupiter or Saturn. But whereas our Solar System developed with gas giants far from our Sun, some planetary systems consist of ... more 
Scientists measure Earth's cosmic detectabilityLos Angeles CA (SPX) Feb 04, 2025 A team of researchers led by Dr. Sofia Sheikh from the SETI Institute, in collaboration with the Characterizing Atmospheric Technosignatures project and the Penn State Extraterrestrial Intelligence ... more |
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