Time allows us to live in the moment, reflect on the past, plan for the future. It’s our most familiar, precious, yet mysterious commodity.

On July 4, 2012 the champagne flowed. The elusive Higgs boson—the fundamental particle that gives mass to all other particles—had been found. After generations of work, the last puzzle piece …

Einstein dreamed of a unified theory of nature’s laws. String theory has long promised to deliver it: a mathematically elegant description that some have called a “theory of everything.” Join …

“Move fast and break things,” went the Silicon Valley rallying cry, and for a long time, we cheered along. Big Tech, in its infancy, spouted noble goals of bringing us …

Students in the biology class of @ScienceWithTom write and perform rapping, rhyming biology songs that leave them inspired to learn more. Science teachers prepare tomorrow’s pioneering scientists. Episode filmed live …

Cosmology is the one field in which researchers can—literally—witness the past. The cosmic background radiation, ancient light streaming toward us since the Big Bang, provides a pristine window onto the birth and evolution of the universe.