No one knows what these artificial islands in the Yellow Sea are really for.
Caligula's extravagant pleasure boats are the stuff of legends, and one is believed to still be missing.
Zircon grains reveal a very, very different Earth from what we know.
This new innovation could spare patients from the harmful side effects of radiation pre-treatment.
Wide-eyed rare tarsiers found in southeast Asia, shining a spotlight on the region's conservation issues.
Locals rejoice after the "lost" Irish beach Doogh returns practically overnight.
Hunting wiped out wolves from Denmark two centuries ago, but now they're back.
The new road winding through the world's most spectacular sights is set to be the adventure of a lifetime.
For the first time ever, researchers record the normally herbivorous deer eating a human carcass.
A secret mission ended recently to the sound of a sonic boom across Florida.
When and where planet watchers can get the best views of the planets this month.
The serenity of nature may be disappearing.
Two floods could have ravaged the Amazon rainforest millions of years ago.
The record-breaking image is so clear you can zoom in to see the heavenly bodies many worlds away.