May 27, 2015, 2:50 p.m. by Robin Shreeves
Sure, the tax is bringing in money, but will it really make any difference in people's health?
May 26, 2015, 11:08 a.m. by Tanya Lewis, LiveScience
Animal rights cases and films like 'Blackfish' are credited with influence public opinion.
May 21, 2015, 1:32 p.m. by Elizabeth Howell, SPACE.com
The flag's designer hopes his creation reminds people that we all share planet Earth.
May 8, 2015, 10:20 a.m. by Tanya Lewis, LiveScience
Social media algorithms may play less of a part in sorting news links than previously thought.