United States
Atacama mummy's 'alien' features caused by genetic mutations
Scientists express alarm over giant plastic patch in Pacific Ocean
2 billion-year old salt reveals how ancient Earth evolved life-sustaining oxygen
Who is Jaelynn Willey? Maryland school shooting victim's life support to end
Karen McDougal on affair with Donald Trump: 'I was feeling so guilty'
NASA to test Aspire – Mars landing parachute using a Sounding rocket
McDonald's targets beef production in ambitious effort to cut greenhouse gas emissions
Who is Katsuko Saruhashi? Google doodle pays tribute to pioneer Japanese scientist
Black hole spews radiation while devouring star, reveals its feeding habits
Trappist-1's Earth-sized worlds may have too much water to host life
Beer without hops: New technique brews IPA with only yeast and sugar
Austin bombings: New incident unrelated to serial explosions, police clarifies
Maryland high school shooting: Armed student killed, 2 others injured
Watch: Strong winds knock over semi-trailer truck on highway
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