A new study finds that ocean acidity may have prevented life on Earth from developing for the planet’s first 500 million ...
New research suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for photosynthesis.
How did Earth transform from a hostile, acidic ocean world to one that nurtured life? Scientists at Yale and in Singapore ...
Roughly 300,000 years ago, our species first appeared on the African landscape before spreading globally and coming to ...
Humans evolved late in Earth history. While this timing inspired the conclusion that humanlike life is a cosmic improbability ...
The app's future is uncertain because of a divest-or-ban law passed in 2024 that requires Chinese owner ByteDance to separate from its US assets ... The next day, Trump's executive order ...
Test your knowledge about the human digestive system... from the mouth to the bum! Help Dr Chris, Dr Xand and Dr Ronx on their fantastic voyage.
The Eyes of the World: From D-Day to VE Day is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire ...