The Christmas-themed John Lewis advert shows a boy hanging up a Christmas stocking on an outdoor kennel, but then leaving his dog in the wind and snow.
It attracted complaints about irresponsible pet ownership, with some objecting that it suggested it was acceptable to leave a family pet outside in cold conditions.
The ASA disagreed, and felt the ad did not endorse or encourage animal cruelty or neglect.
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.