Science ❯ Astrophysics

Early Universe

Big Bang Galaxies Formation 21-Centimeter Signal Reionization Cosmological Structures Star Formation Galaxy Evolution Galaxy Formation Stellar Evolution

JWST Study Flags Four Possible ‘Dark Stars,’ Including One With Tentative Helium Signature

A faint absorption hint and oxygen seen by ALMA keep the case uncertain for now as teams run simulations and plan targeted follow-up.

HeH+ Ion’s Reactivity Endured at Cryogenic Temperatures, Reframing Early-Star Cooling

UK’s CosmoCube Mission Moves Into Prototype Testing for Moon’s Far Side Observations

Researchers Poised to Decode Cosmic Dawn’s 21-Centimeter Signal