Photo of the Day

Great white shark (Carcharodon carcharias) swims in greenish water
December 14, 2018, 12:08 p.m.
Australian shark populations along the Queensland coast have dropped significantly over the past 50 years.
The InSight Lander's second photo of Mars' surface
December 12, 2018, 10:09 a.m.
NASA shares images of the Martian surface and audio recordings of wind.
Bees swarm in their hive.
December 9, 2018, 9:10 a.m.
PrimeBEE allows immunological signals to be passed from a queen bee to her offspring.
Smoke and fog envelops the Hong Kong skyline
December 7, 2018, 11:36 a.m.
Air pollution falls behind high blood pressure, smoking and poor diet as a leading cause of death.
A bilby is held by a wildlife handler
December 6, 2018, 10:53 a.m.
These adorable creatures are becoming more popular, and they may just take over as the country's animal representative for Easter.
Sully the service dog in front George H. W. Bush's casket.
December 3, 2018, 3:12 p.m.
Sully will help veterans following the former president's death.
A close-up of a jaguar
November 28, 2018, 10:35 a.m.
Demand for jaguar teeth and other body parts has increased — and so has the poaching threat to this big cat species.
A search and rescue crew member searches for human remains at a mobile home park that was destroyed by the Camp fire.
November 26, 2018, 1:06 p.m.
The Camp Fire, California's deadliest wildfire in history, was contained on Nov. 25 after burning 220 square miles.
American robins can be our translators and teachers for bird language
November 24, 2018, 11:29 a.m.
Become an expert in knowing what birds are saying by studying these common species.