Researchers have long recognized variations in how men and women experience depression, anxiety and PTSD; now they are looking at them on the molecular level

American physicians and German research institutes offer moral support as Israeli healthcare workers weigh whether to stay and fight for scientific freedom or relocate

Temperatures predicted to rise up to 5ºC by end of century, causing severe droughts, dust storms; UN climate summit in Cairo scheduled for November

Discovery in Ethiopia of 3.8-million-year-old skull indicates some ancient hominid species may have coexisted

High-tech analysis finds empirical proof that the Kingdom of Israel's biblical foes came to the Holy Land from southern Europe