China search for Earth 2.0 leads a bold 2026–2030 space plan to probe the early universe, our Sun, and Earth-like exoplanets.

These missions will focus on major frontiers such as the origins of the universe, the origin of space weather, and the start of life, officials said at a press conference held on Monday about the ...

For decades, the search for alien life has revolved around a narrow ring around stars where liquid water could exist on a planet’s surface. That “habitable zone” remains important, but astronomers are ...