We introduce MOSES, the new High-Resolution Echelle Spectrograph designated for the 1.2m MONET telescope at McDonald Observatory, Texas, USA.
Press Release
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
The Roasting Marshmallows Program with IGRINS on Gemini South V: Atmosphere of MASCARA-1b is Enriched in Refractory Elements
Ultra-hot Jupiters (UHJs; Teq≳2000 K) enable simultaneous detection of volatile (ice-forming) and refractory (rock-forming) species in planetary atmospheres, providing a powerful diagnostic of planet formation and atmospheric processing.
Posted inAtmospheres, Climate, Weather, Gaia - Planetary Perspectives, Habitable Zones, Press Release, Water/Hycean Worlds & Oceanography
A Warmer World May Redraw Earth’s Sunlight Map
Sunlight follows a rhythm set by Earth’s orbit and tilt: long summer days, dark winters, and a familiar seasonal cycle from low to high latitudes.
Posted inFossils & Paleontology, Gaia - Planetary Perspectives, Genomics, Proteomics, Bioinformatics, Nomenclature, Systematics, Natural History, Origin & Evolution of Life, Press Release
A Lack Of Sex Held Back Life’s Diversity For Millions Of Years
The way that Earth’s first animals reproduced held back life’s diversity for millions of years, until stress and competition led to the development of sexual reproduction, which in turn accelerated […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Interstellar, Press Release, Stellar Cartography
An Archival Summary: 15 Years Of ALMA Observations On Disks And Planet Formation
The Atacama Large (sub-)millimeter Array (ALMA) has been in scientific operations for almost 15 years.
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Biogeochemical Cycles & Geobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Exploration Gear & Tech, Gaia - Planetary Perspectives, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Polar / Alpine Expeditions, Press Release, Water/Hycean Worlds & Oceanography
Ice Planet Recon: Giant Fan-shaped Geological Structure Discovered Beneath East Antarctica
Editor’s note: there are currently two advanced missions heading for the jovian system – Europa Clipper and ESA Juice – to study icy Europa and the other icy worlds orbiting […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Impact events, Origin & Evolution of Life, Panspermia, Press Release
Impact History Of Early Earth Created Conditions Conducive To Life
Southwest Research Institute scientists modeled the early impact history of Earth, seeking insight into potential origins of life. These models show that asteroid impacts on the early Earth plowed up […]
Posted inAstronomy & Telescopes, Exploration Gear & Tech, Press Release
The Mass of TOI-1883 b: A Low Density Super-Neptune In The Ridge Regime Transiting An Early-M dwarf
Recent large-scale transit surveys conducted by space telescopes such as Kepler and TESS have revealed a vast number of exoplanets, uncovering the diversity of their population.
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release, TRAPPIST-1
Ultraviolet-Driven Atmospheric Degeneracies Challenge Conventional Biosignature Frameworks for Terrestrial Planets with Ultracool M Dwarf Hosts: An Archean-Analog TRAPPIST-1 e Case Study
The ultraviolet (UV) spectrum of a host star strongly shapes the atmospheric composition and potential biosignatures of its planets. This relationship may be especially important for the planets orbiting TRAPPIST-1, […]
Posted inAstrobiology (general), Education and Outreach, Intelligence & Language, Policy, Press Release, SETI & Technosignatures
Updated Rules for Evaluating and Revealing the Detection of Extraterrestrial Intelligence
The IAA SETI Committee announced today updated rules for evaluating and revealing the detection of extraterrestrial intelligence.