Analyses of anatomy, DNA and cultural remains have yielded insights into the inner lives of our mysterious extinct cousins. By Kate Wong.

Winegrowers are trying to preserve the flavor of wines as climate change alters the compounds in grapes. By Kimberly A. Nicholas.

24 years after the conflict ended, scientists and veterans are still fighting for recognition of Gulf War illness. By Sara Reardon.

A new microscope reveals tiny changes in objects that appear to be stock-still. By Fredo Durand, William Freeman and Michael Rubinstein

Planets quite different from our own may be the best homes for life in the universe. By Renee Heller.

Chronic pan can defy treatment. New insights into the causes are leading to fresh ideas for combating it. By Stephani Sutherland.

Sophisticated math tools suggest the immune system has a blind spot when it comes to influenza virus mutations. By Adam J. Kucharski.

The U. S. is banking on decades of abundant natural gas to power its economic resurgence. That may be wishful thinking. By Mason Inman.

Some authors were caught reviewing their own papers, ... weaknesses in modern publishing. By Cat Ferguson, Adam Marcus & Ivan Oransky

Solar Wars. The growing popularity of solar power on rooftops spurs a utility backlash. By David Biello.