Astrobiology21- Page

Spectroscopic observations of β Pic obtained on April 29, 2025. The HARPS spectrum is not flux-calibrated and was simply renormalized to a flux level similar to that of the STIS

Location of Dale’s base camp on the shore of Lake Untersee, Antarctica — Google Earth Keith’s note: A quick snapshot of the weather at Lake Untersee and A forecast for

Evolutionary timeline showing early stromatolite biofilms to modern interkingdom biofilms. Biofilms are intricately associated with life on Earth, enabling functions essential to human and plant systems, but their susceptibility to

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).