Wynne Parry

The tyrannosaur skeleton is one of many fossils most likely from Mongolia for sale online and through auction houses.

A highly reactive mineral found in an Indonesian lake also hints at how Earth’s atmosphere was transformed.

Societies where people favor heaven have more of a crime problem, an analysis indicates.

Elephant poaching and ivory seizures are up, an international report finds.

A scientist has discovered the fossil that ties modern flatfish to their symmetrical ancestors.

Sea level is rising particularly fast along a heavily populated section of the U.S. east coast.

A Florida fossil dealer who restored a tyrannosaur says a dispute over it has cost his family greatly.

After millions of years in the ground, a tyrannosaur skeleton landed in an auction, then at the center of a lawsuit. Follow its journey in photos.

A dinosaur that Mongolians say was taken illegally from their country went into federal custody today.

The Gulf of Mexico’s dead zone may be average or quite small, depending on whom you ask.

The final mutant flu study details how as few as five mutations can allow H5N1 to transmit through air.

Federal officials plan to take the dinosaur into custody on Friday.

A study projects the future for a colony of penguins, and the results aren't reassuring.

Discoveries of Martian meteorites have been increasing, as have their prices.

The US intends to return the fossils to Mongolia, according to the Manhattan U.S. Attorney.

Ancient humans had little impact on the outlying forests of the Amazon Basin, a study suggests.

That's the equivalent of 170 aircraft carriers, or 242 million extra normal-weight people.

Arctic sea ice cover has seen unusual lows lately. This year may be no different.

Last month wrapped up the warmest spring on record for the continental U.S. and approached the world record for the month.

Wild animals' social networks can provide insight into many things, including mate selection and the spread of disease.

Characteristics in music similar to animal cries appear to excite human listeners.

Neurotics' expectations appear to give them a complicated relationship with their incomes.

Further evidence for a human cause behind climate change is found in ocean warming.

Social touch and emotion are more closely connected in the brain than thought.

The most violent attacks appear to be carried out by well armed and organized pirates.