Extraterrestrial water

A team of astronomers has proposed peering into the inconspicuous region between host stars and their soot lines to find habitable worlds beyond our solar system.First Full-Color Images From Webb Space TelescopeThere are few known…

The comet NEOWISE seen over Nevada in 2020.Image: Ethan Miller (Getty Images)An incoming comet recently spotted by telescopes in China and South Africa could be as bright as a planet in the night sky next year, according to astronomers…

Deep in the Stone Age, when Neanderthals still lived alongside Homo sapiens, our ancestors might have been agog at a green light in the night sky. Now, that light—C/2022 E3 (ZTF) (more familiarly, the Green Comet)—is back.The Green…

Asteroid Ryugu, as imaged by the Hayabusa2 probe.Image: JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, Aizu University, AISTIn December 2020, Japan’s…