Chemostratigraphic column of the WN2 drill core. δ15N and TOC data were from Chang et al. (2019). Orange shaded areas represent two photic anoxia intervals identified based on δ15N signatures
Chemostratigraphic column of the WN2 drill core. δ15N and TOC data were from Chang et al. (2019). Orange shaded areas represent two photic anoxia intervals identified based on δ15N signatures
Logos of EANA (left, designed by Katarina Eriksson in 2015) and AbGradE (right, designed by Sean McMahon in 2014). Since its foundation in 2001, EANA (European Astrobiology Network Association, http://www.eana-net.eu/)
Origins Center 2026 Conference May 18–20, 2026 (Abdij Rolduc, Kerkrade) Questions about the origin and nature of life — and whether it might exist beyond Earth — have a rare
NASA DARES 2025 Introduction: NASA sponsored Astrobiology research focuses on three basic questions: How does life begin and evolve? Does life exist elsewhere in the Universe? How do we search
Base Camp at Lake Untersee, Antarctica January 2026 – Dale T. Andersen. (Larger image) Keith: We just completed the camp last night, and today a storm will move in with
Steady-state response in a phase space of effective stellar flux, Seff, and the seafloor spreading rate, rspr (YoungSun_Seff&rspr). – calculated using the F2V (a-d), present-day Sun (G2V) (e-h), and K2V
Alexandra Matiella Novak uses a hand-held spectrometer in the field. — NASA/Caela Barry Editor’s note: This blog entry is adapted from NASA social media content originally published September 12-15, 2023.
Artistic reconstruction of Spongiophyton during the Early Devonian in the high latitude depositional system of the Paraná Basin. Paleoart by J. Lacerda. Lichens were already widespread over 410 million years
A schematic illustration of the evolution of the Earth System with a start from the Neolithic revolution ( 12.000 years ago). Leading up to its current state (i.e. ”warm Holocene
Ryan Glaubke measures and marks a sediment core used to reconstruct past deep-ocean salinity and carbon storage. — Credit Rutgers University Climate change has many culprits, from agriculture to transportation






