Graphical Abstract – astro-ph.GA There is growing evidence that the Sun might have formed within a nebula impacted by at least one SNR. In this scenario, ejecta and shocks from

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.