Astrobiology70- Page

James Webb Space Telescope — NASA January 23, 2026 NASA has recently begun preparations for the Artemis II mission, which will send four astronauts on a journey around the Moon.

(Top Insets) SPHEREx 0.75-5.0μm imaging of 3I/ATLAS taken on 08-to-15-Dec2025. The 6.3’x6.3’ cutout contours are 5,20,&50 times the background noise; color bars are in MJy/sr. The celestial North-and-East directions are

Schematic illustration of the synthetic quorum-sensing system. (a) PDDA– ATP coacervates encapsulate trypsinogen and BZAR. Upon external introduction of trypsin, an autocatalytic feedback loop activates local trypsinogen, leading to cleavage

Structure of the nomenclature with each of the elements highlighted with a description. — astro-ph.EP With recent observational advancements, exocomet studies have entered a new era: we have moved from

Betul Kacar presents samples in her lab Credit Photo by Jeff Miller/UW–Madison By resurrecting a 3.2-billion-year-old enzyme and studying it inside living microbes, researchers at the University of Wisconsin–Madison have

Extensions to the HZ (the orange stripe) as a function of distance between the planet and its host star (horizontal axis), and the mass of the main-sequence host (vertical axis).

An example of a three-dimensional cube depicting the spatial dimensions and a visible spectral dimension. A 3D cube is one of the main data products from an Integral Field Spectrograph.

Graphical Abstract — astro-ph.GA Surface chemistry on interstellar dust grains is recognized as a central component in astrochemical models, representing a plausible formation route for many of the observed complex

Origin & Evolution of Life Status Report chemrxiv.org January 23, 2026 Unity of biopolymer biosynthesis, assembly and recalcitrance is predicted by chemical evolution. Each biopolymer is synthesized by condensation-dehydration chemistry,

Selection protocol used to isolate ligase ribozymes. An RNA library containing a partially randomized sequence (depicted in purple) derived from an AIP-ligase18 was challenged with an RNA substrate (depicted in