Why doesn’t the autumnal equinox fall on the same day each year? By Hanneke Weitering published 19 September 22 The day of this year's equinox may not be the same as last year's. Why?
In which month are the most babies born? By Charles Q. Choi published 19 August 22 Which of the 12 months has the most births? And why do babies tend to be born at certain times of the year?
Why do we shiver when we're cold? By Charles Q. Choi last updated 22 July 22 If the surface of your skin gets too chilly, the brain sets into motion a series of warming tricks such as shivering.
Autumn: The cooling-off season By Nola Taylor Redd published 11 March 22 Reference Discover more about the season where the leaves turn red and the temperature drops.
Summer: The warmest season By Nola Taylor Redd published 11 March 22 Reference Everything you ever wanted to know about summer, the hottest season of the year.
Spring: The season of new beginnings By Nola Taylor Redd published 9 March 22 Reference Springtime brings warmer temperatures and a rebirth as nature reawakens.
Winter: The coldest season By Nola Taylor Redd published 8 March 22 Reference Winter, the coldest season of the year, comes between autumn and spring. It is associated with plunging temperatures and icy weather, but its impact and timing change according to location.
The four seasons: spring, summer, autumn (fall) and winter By Nola Taylor Redd published 11 February 22 Reference Seasons are periods of the year with distinct weather conditions and day lengths. Earth's four seasons are spring, summer, autumn (fall) and winter.
The equinox reveals one of the secrets of Egypt's iconic Sphinx By Laura Geggel published 23 March 20 Here's how the spring equinox and the Sphinx are tied together.
Man Dies From Rare 'Brain-Eating' Amoeba After Swimming in North Carolina Lake By Rachael Rettner published 26 July 19 A man in North Carolina died from a rare "brain-eating" amoeba infection after swimming in a lake at a local water park, according to news reports.
Teens Are More Likely to Try Illegal Drugs in the Summer By Rachael Rettner published 23 July 19 Summer is the most common season for U.S. teens and adults to try illegal or recreational drugs for the first time, a new study finds.
Fireworks Send Thousands of Americans to the ER Around the Fourth of July By Rachael Rettner published 2 July 19 Folks, please be careful with explosives on July 4.
Why Do Seasonal Allergies Make You Feel Sleepy? By Yasemin Saplakoglu published 23 June 19 Can you blame dozing at work on allergies?
Greenland's Summer Melts Have Started Early, and They're Very Bad This Year By Rafi Letzter published 19 June 19 Summer doesn't begin for two more days, but oceanographers and climatologists are already sounding the alarm about stunning ice melts going on now in Greenland.
Man Survives 70-Foot Fall into Hawaii's Kilauea Volcano By Yasemin Saplakoglu published 3 May 19 The man had climbed over a railing at the Steaming Bluff overlook to get closer to the edge of the cliff.
Scientists Think They've Finally Figured Out Why DEET Is So Effective By Rafi Letzter published 26 April 19 The researchers put their own bodies on the line for DEET-mosquito science.
What if winter lasted for years like it does on 'Game of Thrones'? By Yasemin Saplakoglu published 12 April 19 It'd be cold, very cold
You're Probably Using Your Sun-Blocking Moisturizer Wrong By Rafi Letzter published 3 April 19 SPF facial moisturizers can block the sun's dangerous ultraviolet rays as effectively as comparable sunscreens, but only if you use them correctly.
Today’s Spring Equinox Heralds Warmer Months — And a Supermoon By Mindy Weisberger published 20 March 19 In the Northern Hemisphere, winter's chilly grip will soon start to weaken.
What's Behind the Massive Midwestern Floods: 2 Giant Waves of Water By Rafi Letzter published 19 March 19 Here's why vast swaths of Nebraska, Missouri, and other Midwestern states are drowning.
