A pool of water dominated by microbialites in South Africa’s Eastern Cape (Credit: Rachel Sipler). South Africa is home to some of the oldest evidence of life on Earth, contained

Upper panels: The column density N(CH2NH) and column density uncertainty map of L1544 assuming Tex = 10 K. Lower panels: The CH2NH abundance map and abundance uncertainty map, calculated with

Inouye Solar Telescope image of a solar flare on August 8, 2024. (Image credit: NSF/NSO/AURA, CC-BY) Stellar magnetic activity, manifested through spots (faculae and flares), fundamentally shapes the exoplanets’ environments.

A possible architecture for HWO under study by the HWO Technology Maturation Project Office. This design has an 8-meter inscribed diameter filled by 37 hexagonal segments — larger than JWST.

Graphical abstract — astro-ph.IM Contrary to popular belief, the interstellar medium (ISM) is not empty; it is filled with atoms, dust particles, and molecules. Some of these molecules may have

This composite Hubble Space Telescope image shows the debris ring and dust clouds cs1 and cs2 around the star Fomalhaut. Fomalhaut itself is masked out to allow the fainter features

Reaction network arising from the La3+-mediated reaction of glyoxylate and pyruvate, including non-detected intermediates with the most probable routes represented by solid arrows requiring either one (direct arrow) or both

Wearing protective gear against toxic gases, Solange Duhamel stands next to a lava flow during an outing to collect samples of freshly deposited lava rock. Credit Christopher Hamilton Life has