The tree, found in urban Brazil and called the Ilex sapiiformis, or Pernambuco holly, was first discovered in 1838 and has not been seen since.
Now, researchers are beginning to theorize about who they were fighting and why.
Archaeologists have determined that the burial took place before Julius Caesar's conquest of Gaul, between 58 and 50 BCE.
Scientists are rushing to discover alternative pain treatments as the opioids epidemic in the U.S. continues to be deadly.
New research found that providing shade to integral reefs such as the Great Barrier Reef may reduce bleaching drastically.
Snake catcher Nick Evans couldn't believe how close the man came to being bitten by the incredibly venomous snake.
The newborn in India has seven fingers on each hand and six toes on each foot, making this case of polydactyly exceptionally rare.
The swords were found complete with the remnants of their wooden scabbards and fitments, alongside a copper alloy bowl.
Paleontologists believe this dinosaur may have been able to change the color of its skin, like the modern-day chameleon.
The mysterious gold pieces are square and about the size of a fingernail, engraved with women and men wearing grand outfits.
The girl suffered a perforation of the trachea, a complication that can occur from the catheter placed into a patient's windpipe.
Data from a lunar probe showed that the Earth's electrons may be contributing to the moon's weathering processes.
Vincent Ho, aka the Gut Doctor, describes how to avoid a common problem.
Patients had clear memories of experiencing death, up until an hour after their hearts stopped, researchers found in a study published in July.
The body was of man from the Mayan civilization that lived in Mexico during the late phase of the Classic period, in the years A.D. 600 to 900
Despite the wet weather this year, the lake remains at dire levels and fears remain that it could reach dead pool levels.
A study has found that postpartum women reported "face pareidolia illusion" more easily than pregnant women.
When the active volcano erupts, it puts on a beautiful fire show that attracts many tourists.
The necklaces were likely worn by nobles living in the Iron Age, from around the 5th to the 2nd century B.C.
The coin also shows Serbian King Stefan Uros II Milutin, who ruled from 1282 to 1321.
A healthy lifestyle should include moderate alcohol consumption, a healthy diet and regular physical activity.
The elephant was shot eight times over a long period of time and lured back into trophy hunting territory before it died.
The Icelandic government announced that fin whaling would resume, following a temporary ban, at the end of August.
The electric-blue algae is lighting up the California coast, from San Diego to Orange County.
In a study, scientists found that whale sharks displayed disrupted behaviour whenever a swimmer was nearby.
It is the largest and most intact canoe of its time discovered in Switzerland.
The dogs, which had been on a leash at the time, bit the woman numerous times during the attack on August 18.
The calf was euthanized after rescuers found it with injuries in an English river when it became stuck in long, thick weeds.