Titan is the only moon with a substantial atmosphere, the only other thick N2 atmosphere
besides Earth's, the site of extraordinarily complex atmospheric chemistry that far surpasses …

The chemistry of abiotic nucleotide synthesis of RNA and DNA in the context of their
prebiotic origins on early earth is a continuing challenge. How did (or how can) the …

NASA's Dragonfly mission will send a rotorcraft lander to the surface of Titan in the mid-
2030s. Dragonfly's science themes include investigation of Titan's prebiotic chemistry …

Recognizing whether a planet can support life is a primary goal of future exoplanet spectral
characterization missions, but past research on habitability assessment has largely ignored …

We present a one-dimensional coupled ion-neutral photochemical kinetics and diffusion
model to study the atmospheric composition of Titan in light of new theoretical kinetics …

The origin of life on Earth seems to demand a highly reduced early atmosphere, rich in CH
4, H 2, and NH 3, but geological evidence suggests that Earth's mantle has always been …

Research on the origin of life is highly heterogeneous. After a peculiar historical
development, it still includes strongly opposed views which potentially hinder progress. In …

The Miller–Urey experiments pioneered modern research on the molecular origins of life,
but their actual relevance in this field was later questioned because the gas mixture used in …

Astrobiology is the science that seeks to understand the story of life in our universe.
Astrobiology includes investigation of the conditions that are necessary for life to emerge …

OH radicals in the air maintain the oxidizing power of the troposphere. A conventional view
is that particulate matter (PM) in the atmosphere is a major sink of OH radicals, thereby …