[astro-ph.EP]. Interpreting Enceladus’s past and present surface history and interior state remains challenging, owing to uncertain prescription of its impact bombardment history and limited interpretation of its crater statistics. Further […]
Imaging & Spectroscopy
![Photographs of the mineral and inorganic substrates used in this study and the corresponding hybrid materials obtained. -- [Nature]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/08/Synthesis.png?resize=1200%2C720&ssl=1)
Posted inOrigin & Evolution of Life
Synthesis Of Mineral-organic Hybrid Materials Under Dynamic Prebiotic Conditions
[Nature] The increasing of molecular complexity must be understood as a planetary phenomenon where prebiotic chemistry and geological settings converge. In this scene, HCN chemistry may have played a crucial […]
![The top panel shows comparisons of the observed spectrum of JADES-GS-BD-11 (black with grey 1σ error bars) and the median retrieved spectrum for both the PH3 and non-PH3 petitRADTRANS (red and green, respectively, with 1σ central credible intervals shaded around the median). The bottom panel shows the difference between the retrieved and observed spectra, divided by the observed uncertainty. The two retrieved median spectra are generally within 1σ of each other everywhere except at 4.3 µm (the Q-branch of the PH3 feature).-- [astro-ph.SR]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/08/JWSTNIRSpec.png?resize=1200%2C717&ssl=1)
Posted inBrown Dwarfs
JWST/NIRSpec Spectra for Three Ultracool Brown Dwarfs Detected in Extragalactic Surveys: Further Evidence for Phosphine Absorption
[astro-ph.SR] We present JWST NIRSpec prism spectra for three ultracool brown dwarfs discovered in extragalactic survey data, two from the JWST Advanced Deep Extragalactic Survey (JADES), and one from Public […]
Posted inImaging & Spectroscopy
ESCAPADE Departure Angle View Of Earth And Luna
[NASA]. On July 3, one of NASA’s two Mars-destined ESCAPADE (Escape and Plasma Acceleration and Dynamics Explorers) spacecraft captured photos of Earth and the Moon in visible and thermal infrared […]
Posted inMars
ExoMars Rosalind Franklin Rover Recon: Geological History Of Oxia Planum
[NASA] This crater contains exposures in the rim that can corroborate prevailing hypotheses for Oxia Planum’s geologic history ahead of the ExoMars Rosalind Franklin rover’s landing, currently planned for 2030. […]
Posted inHabitable Zones
Planetary Stability and Long-Term Habitability in Nearby Stellar Binaries: 70 Oph, 36 Oph, γ Leo
[astro-ph.EP] Binary stars are common and have the potential to host habitable planets, which may reside in more complex habitable zones as compared to planets orbiting single stars.
Posted inAstrochemistry
The Galactic Centre G+0.633-0.0604 Molecular Cloud: A New Gold Mine for Astrochemistry
[astro-ph.GA] Astrochemistry is living a golden age, with more than a quarter of the ~350 molecules in the current interstellar census having been detected over the last three years. One […]
Posted inMars
Mars Curiosity Blog Sols 4968-4974: Rock Climbing Towards the Discontinuity
[NASA] Curiosity has been exploring a large-scale feature in Gale’s sedimentary record suspected to be an “erosional supersurface.” The “supersurface” represents a period in time when a net depositional environment […]
Posted inVenus
The Lost Oceans Of Venus
[Earth and Planetary Science Letters] Whether Venus once had oceans and, if so, when it lost them are critical issues in the understanding of habitability on exoplanets, as well as […]
Posted inMars
Crustal Water Reservoir On Early Mars
[Geophysical Research Letters]. The next great leap in Martian exploration is the return of samples to Earth. Maximizing their scientific value requires non-destructive analytical techniques for early three-dimensional characterization.