Animal organs could shorten transplant waiting lists, but the research prompts ethics debates about the distinction between animals and humans.
Despite the widespread scientific use of fetal cell lines linked to abortions, pro-lifers hope for alternatives
A historic human cell line has generated controversy—and now a lawsuit
Rock core samples mark a major milestone for NASA mission
The latest IPCC climate change report raises the alarm but offers little that’s new
Researchers study potential dead zones along the coast
Scientists think there may be water vapor around one of Jupiter’s many moons
Scientists study the spread of learned behavior in birds
Seismic activity on the red planet offers a peek into the core
Scientists virtually solve a sticky engineering problem
