Animals
Keep Calm and Don’t Stress Out the Dog
When humans feel anxious, their dogs do too, according to new study
A German Circus Uses Stunning Holograms Instead of Live Animal Performers
Circus Roncalli is preserving the tradition of animal acts while eliminating concerns of animal cruelty
Giant Salamander Goo Is Great at Gluing Gashes
Although slightly less durable than other surgical adhesives, a compound derived from the amphibian's skin secretions performs better overall
Very Good Dogs Helped Track Threatened Turtles in Iowa
The dogs are trained to find ornate box turtles and bring them to researchers—part of an effort to save the struggling species
Nanoscale Structures Give Dragonfish Their Terrible, Invisible Teeth
Crystals in the enamel and an unusual interior structure render the giant teeth invisible, making the fish one of the deep seas's most fearsome hunters
The National Zoo’s Female Asian Water Dragon Successfully Reproduced Without a Male
This is the first time facultative parthenogenesis has been recorded in both the species and the reptilian Agamidae family
NOAA Is Investigating 70 Gray Whale Deaths Along the West Coast
The whales seem to have died from starvation and washed up on shore from California to Alaska
Why Did These Human-Sized Beavers Go Extinct During the Last Ice Age?
A new study suggests the giant beavers disappeared after their wetland habitats dried up, depriving the species of its aquatic plant-based diet
Did This Fossil Freeze a Swimming School of Fish in Time?
The 50-million-year-old slab of limestone suggests that fish have been swimming in unison for far longer than previously realized
Malaysia’s Last Male Sumatran Rhinoceros Has Died
There are fewer than 80 Sumatran rhinos living in the wild
Twice as Many Fishing Vessels Are Chasing Fewer Fish on the World's Oceans
Since 1950, the number of boats has gone from 1.7 million to 3.7 million, even though fish stocks have crumbled
Five Things to Know About Botswana’s Decision to Lift Ban on Hunting Elephants
The move has been criticized by conservationists but lauded by locals who say wild elephants are ruining their livelihoods
Australia Has Several New Dragon Lizard Species—and One May Already Be Extinct
A new study shows the endangered grassland earless dragon is actually four separate reptile species—and one hasn't been seen since 1969
Could Yellowstone's Volcanoes Provide Geothermal Power and More Questions From Our Readers
You asked, we answered
Baby Sharks Do (Do, Do, Do, Do, Do) Eat Songbirds
A survey of 105 tiger sharks’ stomach contents revealed the remains of 11 land-based bird species
Bonobo Mothers Interfere in Their Sons' Monkey Business
They find suitable mates for their offspring and chase away intruders once the mating begins, boosting fertility rates
Breathing Problems in Pugs and Bulldogs Might Have a Genetic Component
It might not be their smushed-up snouts after all
A Nanoscale Light Trick Is the Key to Peacock Spiders' Super-Black Spots
A new study shows how patches of bumpy microlenses capture 99.5 of the light that hits them
This Prehistoric Fish Makes a Great White Look Like a Goldfish
Meet Dunkleosteus, perhaps the fiercest fish that ever existed
This 100-Million-Year-Old Squid Relative Was Entrapped in Amber
The ancient ammonite was preserved alongside the remains of at least 40 other marine and terrestrial creatures
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