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.
On August 17, a faint chirp from instruments at the Laser Interferometer Gravitational-wave Observatory (LIGO) in the United States set off a mad scramble in observatories around the world to catch a glimpse of something never before observed: the cosmic collision of two neutron stars (an event called a kilonova).
In a sleepy section of the visible universe there lurks a huge galaxy with a bizarre patchwork of features. The galaxy was known to astronomers, but its large size and strange attributes went unnoticed for decades.