What exactly is a working dog, and how can you tell if someone's service dog is fake?
Gas cloud big enough to make 2 million suns is boomeranging around our galaxy, says NASA
February 8, 2016, 12:55 p.m. by Michael Graham Richard
The 11,000 light-years long hydrogen cloud is moving at 700,000 miles per hour towards the Milky Way.
Only known wild jaguar in the U.S. caught on camera in Arizona
February 8, 2016, 12:19 p.m. by Jaymi Heimbuch
Jaguars used to roam all over the Southwest but now are an extreme rarity. And this unique cat is already threatened by the mining industry.
In honor of Chinese New Year, here are 540 dancing robots!
February 8, 2016, 9:38 a.m. by Lloyd Alter
Here's an idea for next year's Super Bowl halftime show.
#WomenNotObjects video heats up debate about how women's bodies are used in ads
February 8, 2016, 9:03 a.m. by Starre Vartan
One ad exec takes a stand in the name of her daughters.
Look for the label before you hop on that hoverboard
February 8, 2016, 7:56 a.m. by Lloyd Alter
It's shocking that hoverboards have been sold without any kind of testing or approval. Here's what to look for.
Couple leaves their footprints across Asia in awe-inspiring hyperlapse
February 8, 2016, 7:22 a.m. by Catie Leary
Along the way, they slept in tents, scaled sacred Buddhist mountains, endured 38-hour bus rides, hiked through a blizzard and ate a lot of bread.