Astrobiology51- Page

In December 2025, Brett Baker led a research cruise to collect microbial genomes off the coast of Uruguay. In this photo, Tyler Smith pilots a remotely operated vehicle collecting shallow

Circular representation of the complete genome of Psychrobacter sp. SC65A.3. From the outermost to the innermost rings: (1) CARD RGI resistance gene hits (positive strand), (2) annotated coding sequences (CDS)

Partial Solar Eclipse at Lake Untersee, Antarctica — Dale T. Andersen Dale: A partial eclipse over Lake Untersee yesterday—an ordinary piece of celestial clockwork that felt anything but ordinary from

The painting on the left is an artist’s conception of a plume eruption on Saturn’s moon Enceladus. The image on the right is a photo of two researchers in the

Impact events Press Release University of Texas Austin February 18, 2026 a 187Os/188Os ratios represent age-corrected (red circle) and measured (white circle) isotope ratios. bOs and Re concentrations. cIr and

Mass-radius diagram of small exoplanets (with radii ranging from 1–4 R⊕) with precise densities from the PlanetS catalog. The red (gray) dots correspond to exoplanets orbiting M dwarfs (FGK dwarfs).

On Earth, life thrives in some of the most seemingly inhospitable environments. Single-celled organisms like bacteria teem in the hot springs of Yellowstone National Park, where temperatures reach nearly 200

This image was taken near the closest approach point, at a range of 560 kilometers (335 miles) and is the highest resolution picture of Europa that will be obtained by

Results assuming undetected contacts with technoemissions over the past 65 yr. (a) Minimum number nmin of undetected past contacts required to achieve a present-day detectability of at least 95%, as