Gamma ray bursts could help unravel how fast the universe is expanding

James Webb Space Telescope glimpses Earendel, the most distant star known in the universe

The Rare Earth Hypothesis (which was spawned by a conversation about Star Wars' cantina scene) argues that the very unique conditions that allowed complex life to arise and flourish on Earth are exceptionally uncommon — and they’re unlikely to widely occur throughout the universe.

Fast-acting immune cells provide powerful protection against stroke