Hawaii's state bird hadn't been seen on the island since the 1700s.
An artist making humorous miniature scenes is transforming the city into Lilliput.
Debunking the total-world-domination myth of the common rat.
Say hello to one of the creepiest pieces of public art in recent history.
Scientists hope to improve the study of climatology by looking at sunsets in centuries-old landscape portraits.
This has actually been proven by science.
A new climate assessment sees more of the same killing heat this year, if not worse.
Find out the locations of all the people you direly want to avoid.
Frigid parts of the U.S. are warming up for a couple days, but don't get comfortable yet.
It's the first time in known history that something like this could be viewed by so many people.
See how many of the show's references you can spot in the expanded Springfield subway system.
It must sting when the world's biggest smog-hole is calling your air polluted.
It's every little boy's wish come true.
A select few countries have been responsible for the majority of the world's CO2 emissions since the '70s.
New green-power technology transforms motions like walking and touching into potent jolts of energy.
Spoiler alert: It's mostly just watching TV.
Expect unusual East Coast cold and West Coast heat to "remain in place through most of the remainder of March."
And it's probably not in the way you think.
A conversation with one of the fire chiefs who responded to the last major U.S. gas explosion.