Science

Tales of adventure in search of lost and elusive species, from the golden toad to India’s wild elephants.

While living among chimpanzees in Africa decades ago, Goodall documented the animals using tools and doing other activities previously believed to be exclusive to people.

Starting Oct. 1, the Academy of Natural Sciences will only be open Friday, Saturday and Sunday. A restructuring of staff is expected to follow.

The arrangement is a way to sidestep Pennsylvania regulations that do not allow community solar in the state.

Though conservation efforts have helped to improve piping plover pairings, researchers say fledgling numbers are not keeping pace.

What The Biggest Loser taught us about metabolism, shedding pounds — and what it takes to keep weight off.

The aerospace parts manufacturer’s old plant went up in flames months ago and prompted evacuations and school closures in Abington, Cheltenham and Jenkintown.

While President Trump and Health and Human Services Secretary Robert F. Kennedy Jr. linked Tylenol to autism, the FDA and other scientists took a more cautious approach.

Utility records show Philadelphia Gas Works spent $4.2 million on promotions over a 14-month period ending in November 2024.

The offshore wind farm’s construction plan was approved last year. But the federal government is pulling back on renewable energy projects.

An exploration of the mysteries of attraction and the science of optimizing online dating.

Tracing the history of our obsession with Mars, from modern efforts to colonize to belief in a Martian civilization.