Representatives of more than 50 nations gathered in Santa Marta, Colombia, this week at what was billed as the first global summit on phasing out fossil fuels. A panel of scientists will be advising them
The “hydrogenobody,” a newly discovered structure inside microbial cells in cows’ gut, may play a key role in methane production, a new study suggests
On Thursday the president announced he is nominating Nicole Saphier, a radiologist and Fox News contributor, as the nation’s top doctor
An engineered E. colistrain survived after one amino acid was designed out of many of its ribosomal proteins—an early test of whether life’s chemistry can be simplified
Rescuers had called off the effort to save “Timmy,” a humpback whale that had stranded in the Baltic Sea last month. But now a last-ditch attempt to move the creature by barge is underway