Habitability factors at time period from ∼4.1 Ga till end of LHB (left) and current (right) Earth (green), Venus (yellow), and Mars (red). — astro-ph.EP The study of planetary habitability

Lake in the Canadian Arctic — University of Waterloo Researchers have created the first map of a network of subglacial lakes in the Canadian Arctic showing 33 bodies of water

Skyler Palatnick Holding experimental optics – UCSB UC Santa Barbara doctoral candidate in physics, Skyler Palatnick, PhD ’26, has been named to Heising-Simons Foundation’s Science program’s new class of 51

Correlations of Asgardarchaeota with other microbial lineages in DAN-LK4 microbial mats inferred by co-occurrence network analyses. a, Sankey plot showing positive correlations of Asgard archaeal orders based on normalized USCGs

The objective of this observation is to examine a group of gullies that are quite wide, but have short channels, on the eastern side of an impact crater. Terra Cimmeria,

Antarctic Circumpolar Current (Photo: Alfred Wegener Institute / Hanna Knahl, Patrick Scholz) It transports far more than 100 times as much water as all of the Earth’s rivers combined: The

Early humans using chemistry — Grok via Astrobiology.com Since its humble origins, humans have left imprints on the face of the planet. From the profound transformation unleashed by the Neolithic

SETI & Technosignatures Status Report astro-ph.IM April 9, 2026 Detrended QLP light curves for (top) TIC 354057959, (middle) TIC 353165889, and (bottom) TIC 353785997. Blue shading indicates the ±3.4