The inflationary theory of cosmology, an enduring theory about our universe and how it was formed, explains that just after the Big Bang, the universe went through a period of rapid expansion. This theory has been critical to understanding what’s going on in the cosmos today.

James Peebles, one of the world’s greatest cosmologists, has profoundly influenced our understanding of dark matter, dark energy, and the big bang, contributions that earned him the 2019 Nobel Prize …

Our genes strictly dictate our personalities, appearance and diseases. Or do they? Research has revealed that genes can turn on and off; they can be expressed for years and then silenced. Sometimes, they are never activated. And these genetic instructions—how and when DNA is read—can be determined by the experiences of one’s ancestors, even those several generations back.

Improving your athletic ability is possible with technology created by engineers William “Buddy” Clark and Mike Ressler. See how their innovations can be easily used to analyze and step up …

Congratulations to Shep Doeleman and the Event Horizon Telescope team, winners of the 2020 Breakthrough Prize in Fundamental Physics! At the 2019 World Science Festival, Shep presented the methods used …

Safest Halloween costume, longest-running washing machine, toys that work! Engineer Rachel Rothman and her team of engineers, chemists and researchers make sure these marketing claims, are true as part of …