News
What happens during a heart attack?
A heart attack, or myocardial infarction, happens when oxygen-rich blood does not reach a part of the heart muscle.
Global warming will likely cross dangerous 1.5 C threshold...
The U.N. weather agency has warned that El Niño and human-caused climate change will likely push temperatures into "uncharted territory."
Solar 'superflares' millions of times stronger than anything...
Intense solar storms may have delivered Earth its earliest building blocks of life, new research suggests.
Modern humans arose after 2 distinct groups in Africa mated...
Modern humans may descend from two or more genetically distinct streams that split but continued to occasionally mix over time in...
Yellowstone volcano super-eruptions appear to involve multiple...
The last caldera-forming eruption at Yellowstone "was much more complex than previously thought," according to the annual report about...
What are the heaviest organs in the human body?
Which of the body's organs weigh the most? The answer may surprise you.
Apple Watch vs Garmin: Which is better?
Apple Watch vs Garmin: the top smartwatch brand takes on the marathon runner’s favorite.
What is a 'black moon'? Why May's new moon has an unusual...
On Friday, May 19, a rare 'black moon' rises. Here's what that means, and what you can actually see.
