Katherine and her husband Josh Kelley are already proud parents to their three-year-old adopted daughter, Naleigh, but it has now been confirmed that they have adopted another child.
A spokesperson said that the pair have "adopted a baby", with reports suggesting that she's a little girl from Louisiana.
Heigl and Kelley adopted their daughter, Nancy Leigh from South Korea in 2009 and Katherine herself has an adopted sister, also from South Korea.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.