The Cassini space probe spent 13 years circling Saturn, sending back data and stunning images of the planet and its moons.

Fall is a beautiful time of year. But it is – unfortunately – also the start of cold and flu season.

Nobel Week for scientists -- it's like the World Series and Super Bowl Sunday all wrapped into one. In recent years the excitement has been surrounded by controversy: about who does and who doesn't end up on the winner's list.

Meditation is an ancient practice dating back thousands of years. In its original form, it requires nothing more than a place to sit. But meditation and mindfulness have gained newfound popularity in recent years. And, as with everything else in our lives, technology seems to be creeping in -- from meditation apps to experiments with brain-stimulating electronic signals.

Fall is a beautiful time of year. But it is – unfortunately – also the start of cold and flu season.

We’ve often heard that Facebook and Twitter are making it too easy to encase ourselves in bubbles of like-mindedness. We’ve been told that these echo chambers are fueling political polarization and that we should be exposed to differing opinions. New research shows that idea might be wrong.

Over the past few years, breakthroughs and discoveries in quantum and astrophysics have made international headlines – think Higgs boson, or gravitational waves.

Sustainability has become a major buzzword in the corporate world. In 2015-2016, eighty percent of Fortune 500 companies produced sustainability reports, and seventy percent reported their carbon footprints last year.

A year ago, hurricane Maria devastated Puerto Rico with winds so strong that some wondered whether the Saffir-Simpson scale for rating hurricanes needed a category 6 added to it. Now, hurricane Florence has reignited that discussion – but with a twist.

Just off the coast of Peru, there's a huge amount of sea life. There are whales, a robust fishing industry, and a strange, gentle creature the size of a car called the giant manta ray.