In celebration of the 100th anniversary of Einstein’s general theory of relativity, we examine its essential insights, its lingering questions, the latest work it has sparked, and the allied fields of research that have resulted.

From diseases and disasters to the miracles wrought by evolution, the environmental forces that shape our lives are the inspiration for countless science writers. This event featured five award-winning authors whose best-selling books explore the complicated interplay of science, ethics, history and social responsibility.

When no one is looking, a particle has near limitless potential: it can be nearly anywhere. But measure it, and the particle snaps to one position. How do subatomic objects shed their quantum weirdness?

Humans are heading back to the moon…and this time, they have plans to stay. National and international space agencies, and private enterprise, are joining forces with the goal of establishing …

A century after Einstein’s mathematics suggested the possibility of black holes, the Event Horizon Telescope (EHT) is finally observing them. The project’s latest achievement is the first image of the …

Powerful new genetic tools allow scientists to alter the DNA of any organism—with tests on human embryos already underway. Even more ambitious, synthetic biologists on the verge of creating the genetic material for a living organism from scratch are setting their long-term sites on fashioning a fully synthetic human genome.