Astrobiology224- Page

Sketch illustrating the dynamical evolution of the solar system planets during and after disk dissipation. The two-sided arrows represent the existence of mean motion resonances. Blue and brown scatters represent

An artist’s rendering of the warm exoplanet WASP-80 b and an overview of its planet-system parameters. Planet image credit: NASA/Ames Research Center. astro-ph.EP WASP-80 b, a warm sub-Jovian (equilibrium temperature

Telluric-corrected HARPS observations at the sodium doublet, obtained on two nights nearly one year apart, vertically offset for clarity. In both nights, significant disk line absorption is visible, as well

The sector-to-sector undetrended PDCSAP light curves of TOI-2285 binned by 30 minutes. The sector number is indicated on the left. The locations of even- and odd-number transits of TOI-2285 b

ASGSR 2025 Abstract submissions for the 2025 ASGSR annual conference are now being accepted. Each year the ASGSR annual conference brings together the biological and physical space sciences community to

A human astronaut under some form of deep sleep or “suspended animation” — Grok via Astrobiology.com Background: With renewed interest in long-duration space missions, there is growing exploration into synthetic

Early Earth — Grok via Astrobiology.com The unambiguous detection of biosignatures in exoplanet atmospheres is a primary objective for astrobiologists and exoplanet astronomers. The primary methodology is the observation of

Shifting distributions of genera within functional groups and their phylogenetic underpinnings among the end-Cretaceous, survival pool, and Recent biotas. (A) Changes in absolute richness of genera within functional groups between

Diatoms – JOIDES Resolution Trees get most of the love, but diatoms, a group of photosynthetic microalgae, produce 20% of Earth’s oxygen and are the foundation of aquatic food webs.

Example of spoken English exhibiting dense spectral energy across a wide frequency range, reflecting typical characteristics of natural speech. — astro-ph.IM We present an exploratory framework to test whether noise-like