Science

Sayida Ounissi, a member of Tunisia's Parliament, speaks to Hala Gorani about yesterday's terror attack and why Tunisia is a target for extremist groups. ...
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Incessant mountain rain, snow and melting glaciers in a comparatively small region of land that hugs the southern Alaska coast and empties fresh water...
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Physicists have observed the shape of a strange phenomenon that interferes with high-temperature superconductivity called charge ordering, discovering that it is stripy, not checkered,...
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Schools where administrators report using out-of-school suspension to enforce drug policy and where students report low policy enforcement, regardless of the type of drug...

Schools where administrators report using out-of-school suspension to enforce drug policy and where students report low policy enforcement, regardless of the type of drug...

Marriage and exercise, sexual desire and mosquito-borne illnesses: see how well you know this week's health news.

An ancient ring has shed new light on the ties between Vikings and the Islamic world. CNN's Max Foster reports. ...

Don Lemon joins CNN's Brooke Baldwin to discuss race relations in America, a topic he broached in last night's interview with the legendary Aretha...

The most draining aspect of medical training, it turns out, is not long hours, brash colleagues or steep learning curves — it's the feeling...

The most draining aspect of medical training, it turns out, is not long hours, brash colleagues or steep...