Science

Obama shuts down alien buzz: 'no evidence during my presidency'

By Associated Press

Former President Barack Obama said he did not see evidence that aliens “have made contact with us,” after sending social media abuzz by saying aliens were real on a podcast over the weekend.

Trump calls climate change threat to public health 'a scam' but scientific findings show otherwise

By Seth Borenstein, Associated Press

The decision from the administration on Thursday reverses a 2009 finding that says warming endangers Americans' lives and health.

Roses are red, violets are blue, if cocoa is cheaper why isn't chocolate, too?

By Dee-Ann Durbin, Associated Press

Cocoa prices have fallen nearly 70% since last Valentine's Day, but that won’t make heart-shaped boxes of chocolate more affordable this year.

New astronauts launch to the International Space Station after medical evacuation

By Marcia Dunn, Associated Press

NASA had to put spacewalks on hold and defer other duties after an unidentified astronaut experienced a serious medical issue in January.

Despite setback, researchers uncover new findings at Antarctica's Thwaites Glacier

By Miles O'Brien, Kate Tobin

As Trump pulls back from regulations on climate change, many scientists remain worried about the warming of the oceans, melting glaciers and sea level rise. Science correspondent Miles O'Brien has been reporting from Antarctica on a mission to understand what's…

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WATCH: Trump, EPA's Zeldin announce end of scientific basis for U.S. action on climate change

By Matthew Daly, Associated Press

The Trump administration on Thursday revoked a scientific finding that long has been the central basis for U.S. action to regulate greenhouse gas emissions and fight climate change, the most aggressive move by the president to roll back climate regulations.

Olympic town warms as climate change puts Winter Games on thin ice

By Jennifer McDermott, Associated Press

The International Olympic Committee said last week it could move up the start date for future Winter Games to January from February because of rising temperatures.

Olympians and scientists explain how machine-made snow makes ski racing faster and riskier

By Keith Musselman, Agnes Macy, The Conversation

U.S. Olympic skiers and scientists explain the sharp differences between natural snow and machine-made snow, from the science to the rising risk of crashes.

Four dead and three receive liver transplants after eating death cap mushrooms in California

By Julie Watson, Associated Press

Four people have died and three others have required liver transplants after eating the aptly named death cap mushroom that is proliferating in California following a rainy winter.

How sports betting is changing our brains and behavior

By William Brangham, Claire Mufson, Madison Staten, Satvi Sunkara, Juliet Fuisz, Alexa Gold, Zoie Lambert

Americans are expected to place a record-breaking $1.7 billion in legal bets on the Super Bowl. With a potential casino inside every phone and computer, a rising chorus of experts who study problem gambling and addiction are ringing the alarm.