We Could Seed Alien Life Elsewhere in the Universe—But We’ll Never Undo the Devastating Consequences

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks are enormous.

Memories and moments as Toronto’s three wild World Cup weeks draw to an end

A city accused of being buttoned up erupted in bursts of joy and celebration, in a way that’s hard to measure.