A Florida man convicted of killing his brother’s 13-year-old stepdaughter nearly 50 years ago has been put to death.

This valuable study reports a spatiotemporal atlas of mouse placental development and explores the role of glycogen trophoblast cells in fetal viability. Solid data are presented to support the main ...

Kyle Orland has been the Senior Gaming Editor at Ars Technica since 2012, covering topics ranging from retro games to new ...