All Stories
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AnimalsA ‘book’ on every living thing
The biggest encyclopedia ever, with an entry for every living species, is available now at a computer near you.
By Susan Milius -
PlanetsMercury unveiled
A new mission to Mercury is revealing surprising, never-before-seen details about the innermost planet.
By Emily Sohn -
FossilsFlight without sonar
An ancient bat fossil suggests that bats were flying before they were echolocating.
By Emily Sohn -
FossilsTiny pterodactyl
Scientists working in China have found the remains of the smallest pterodactyl ever known.
By Emily Sohn -
AnimalsThe other side of the zoo fence
Zoo designers work hard to make exhibits safe and enjoyable—for people as well as animals.
By Emily Sohn -
HumansSettling the Americas
Scientists have a new theory about when and how people first migrated from Asia to the New World.
By Emily Sohn -
AnimalsCool penguins
Climate change and warmer waters could threaten the survival of king penguins.
By Emily Sohn -
AnimalsHearing whales
At least one type of whale hears by using its jaw and throat to bring sound to its ears.
By Emily Sohn -
Health & MedicineBaby number whizzes
The brains of very young babies have a sense of numbers.
By Emily Sohn -
AnimalsWhy cats nap and whales snooze
Animals need sleep and sometimes achieve it under what we'd consider extraordinary conditions.
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Health & MedicineHealing honey
Cough medicines don't work and they can have unpleasant side effects. Doctors are starting to recommend honey instead.
By Emily Sohn -
AnimalsNew elephant-shrew
Researchers have discovered a species of elephant-shrew that is entirely new to science.
By Emily Sohn