Desulfuromonas acetexigens on a metal electrod surface. Credits: KAUST. Microbes are masters of survival, evolving ingenious strategies to capture energy from their surroundings. For decades, scientists believed that only a
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Antarctic Microbial Mats: A Research Dive At Minus 20 Degrees Air Temperature
Biogeochemist Elisa Merz — © Abbey Dias Lake Fryxell is located in the McMurdo Dry Valley on the Antarctic mainland. The lake is covered year round with four to five
Constraining the Lifespan of Intelligent Technological Civilization in the Galaxy
Constraint on the lifetime 𝐿 = 10𝑛 of intelligent technological civilizations derived from the Fermi paradox. The expected number of coexisting civilizations 𝑁 is shown as a function of the
Priority Effects Inhibit The Repeated Evolution Of Phototrophy
A Structural comparison of chlorophyll-based and retinal-based photosystems. Left: Type II reaction center with antenna complex from Thermochromatium tepidum88. The catalytic core (orange) contains bacteriochlorophyll pigments (green) that drive electron
Ultraviolet Observations Of Atmospheric Escape In Exoplanets With The Habitable Worlds Observatory
The atmosphere of an exoplanet – Grok via Astrobiology.com Among the many recommendations of the Decadal Survey on Astronomy and Astrophysics 2020, we found that a priority area of research
NASA’s Home for Experimental Flight Advances Aeronautics Mission
5 Min Read NASA’s Home for Experimental Flight Advances Aeronautics Mission NASA Armstrong Flight Research Center’s ER-2 aircraft taxis at Edwards, California, on Thursday, Aug. 21, 2025, ahead of a
NASA Adds Mission to Artemis Lunar Program, Updates Architecture
NASA’s crawler-transporter 2, carrying the agency’s Artemis II SLS (Space Launch System) rocket with the Orion spacecraft, arrives Feb. 25, 2026, inside the Vehicle Assembly Building at NASA’s Kennedy Space
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Evolution of nominal-composition cases across the full range of fO2 and tidal power densities simulated (see Section 2.3). Panel A (left): stages in planet’s lifetime after model initialization. Dotted lines
Dissimilarity analysis of evenness curves of amino acid assemblages. (a): Multidimensional Scaling (MDS) projection of dissimilarities between evenness curves, E(q). Points represent samples; distances between samples grow with dissimilarity. Edges
TRAPPIST-1 Status Report astro-ph.EP November 4, 2025 Filed under astro-ph.EP, astrogeology, exoplanet, M-dwarf, TRAPPIST-1, TRAPPIST-1 b, TRAPPIST-1 c, TRAPPIST-1 d, TRAPPIST-1 e, TRAPPIST-1 f, TRAPPIST-1 g Core–mantle partition coefficient of
Hektoria Glacier on Antarctica’s Eastern Peninsula experienced the fastest retreat recorded in modern history—in just two months, nearly 50 percent of the glacier disintegrated. This video illustrates how and why
WASHINGTON — An Ariane 6 successfully launched a radar imaging satellite Nov. 4 after European agencies chose to use a larger rocket to ensure an earlier launch. The Ariane 6
The Copernicus Sentinel-1D satellite has joined the Sentinel-1 mission in orbit. Launch took place on 4 November 2025 at 22:03 CET (18:03 local time) on board an Ariane 6 rocket from Europe’s Spaceport in French
Two bright meteors were caught slamming into the moon on Thursday (Oct. 30) and Saturday (Nov. 1), by Japanese astronomer Daichi Fujii, curator of the Hiratsuka City Museum. The flashes,
Scientists using the world’s most powerful solar telescope say they’ve finally observed small-scale magnetic twists on the sun — a discovery that may help solve the longstanding mystery of how
They may not have all the fixins, but the astronauts aboard China’s Tiangong space station are sure eating well. A new oven delivered to Tiangong has been put to quick
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