April 27, 2017 —
By expanding its breeding range in an unprecedented way, the adaptable swallow continues its spread—while baffling bird experts along the way.
Is That Legal? Department of the Interior Considers Resizing or Rescinding National Monuments Under the Antiquities Act
April 26, 2017 —
The law that authorizes the president to create national monuments is at risk. Here's a definitive guide to the act and how it—and the lands it protects—could be in trouble.
Study on Pigeon Genes Finds Yet Another Way Science Underrepresents Females
April 21, 2017 —
Males are often the default sex for studies, but new research showing sexes are more genetically different than previously thought could change that.