Behind the Headlines
Explore our world, one headline at a time.
World Book Editors break down the news in our Behind the Headlines feature allowing for a deeper understanding of the complex events that shape our world today. Behind the Headlines articles are carefully crafted presenting the latest national and world news, science discoveries, current events and other top stories and are simplified for young readers.
Today, at 4:02 p.m. Eastern Time, the autumnal equinox marks the beginning of autumn in the Northern Hemisphere. In the Southern Hemisphere, where the seasons are reversed, the event is called the vernal equinox and marks the start of spring.
One of the greatest questions in the formation of the solar system is in our own planetary back yard: how was the moon made? A new hypothesis was published last month in Nature Geoscience.
On August 24, scientists from the European Southern Observatory (ESO) announced that they had discovered an extrasolar (beyond our solar system) planet, or exoplanet, that may harbor conditions favorable to life.
About the photo: When the North Pole has its greatest slant toward the sun, left, summer begins in the Northern Hemisphere and winter begins in the Southern Hemisphere. Credit: WORLD BOOK map Have...