Limits of Terrestrial Life and the Probability of Growth on Mars: Call for Speakers and Topics
Credit: NASA/JPL-Caltech/KSC The National Academies’ Committee on Planetary Protection is hosting a virtual meeting that will inform NASA’s…
Searching For Life-As-We-Don’t-Know-It: Mission-relevant Application of Assembly Theory For Exoplanet Life Detection
Potentially habitable worlds – Grok via Astrobiology.com This white paper introduces a framework for applying Assembly Theory (AT)…
The Effect of Planetary Rotation Period on Clouds in a Global Climate Model with a Bin Microphysics Scheme
Liquid CWP distributions for different rotation periods (columns). The top row shows zonal mean values for MG (blue)…
Short-term Survival Of Tardigrades In Martian Regolith Simulants
Images of tardigrades with mineral coatings. Each image is annotated with the sample, simulant and time of exposure…
Photosynthetic Exergy I. Thermodynamic Limits For Habitable-zone Planets
Spectral flux and exergy at the top of the atmosphere for three blackbody models, all normalized to the…
New discovery of ammonia on Europa hints at active geology
View larger. | Composite image showing location of some of the ammonia-bearing compounds on Jupiter’s moon Europa (red…
NASA Says Europa Is Covered by a Thick Icy Shell
Jupiter’s moon, Europa, has long fascinated scientists. They believe it’s covered in a massive salty ocean, holding almost…
Cool, Earth-Sized Exoplanet Found Orbiting Nearby Star
Astronomers have discovered a new exoplanet orbiting the nearby K-dwarf star HD 137010 after detecting a single, shallow…
Ammonia-Bearing Compounds Detected on Europa for First Time
A new analysis of archival data from the Near Infrared Mapping Spectrometer (NIMS) on board NASA’s Galileo spacecraft…
NASA Has a New Estimate for Europa’s Ice Shell, and Whoa Is It Ever Thick
Europa, one of Jupiter’s 95 moons, is encased in a shell of water ice, and researchers have just…
Powerful magnetic fields on super-Earths could boost chances of life
View larger. | This is an artist’s concept of a super-Earth with a deep magma ocean generating a…
New Model Suggests How Nutrients Could Penetrate Europa’s Ice Shell to Feed Its Hidden Ocean
A duo of geophysicists from Washington State University and Virginia Tech has uncovered a plausible pathway for nutrient…