Scientists searching for microbes in Antarctica came up with none. What could these findings mean for the possibility of life beyond earth?

Host Kym Whitley is joined by Olympic Champion McKayla Maroney as they judge five teams, composed of the country's elite dogs and dog trainers, to determine who takes home the top prize of $5,000 — to be donated to the animal charity. PUPPY BOWL PRESENTS: THE SUMMER GAMES will be streaming exclusively on discovery+, starting on Saturday, July 31.

Forget the gardener — you need goats! NYC's Riverside Park opted for a sustainable and eco-friendly way of getting rid of invasive plant species with the help of some furry friends.

Two of America’s oldest and most fabled trains are pulling out of the station again this summer after a long pandemic hiatus. The iconic and picture-postcard locomotives are the perfect place to start a summer adventure, and offer a refreshing alternative to road trips. Here’s everything you need to know about them.Please review and follow all state and local guidelines while traveling.

This morning, on July 20, 2021, Blue Origin's first crewed spaceflight was a success! Congrats to Blue Origin founder Jeff Bezos and three crewmates, who lifted off into space from Blue Origin’s Launch Site near Van Horn, Texas. Here's the play-by-play of the New Shepard's approximitely 10 minute flight from launch to capsule landing, which looked picture perfect.

The countdown has begun for Blue Origin’s first crewed spaceflight. On Tuesday, July 20, 2021, at 9:00A ET, Jeff Bezos and three crewmates are lifting off into space from Blue Origin’s Launch Site near Van Horn, Texas. Watch SPACE LAUNCH LIVE: BLUE ORIGIN & JEFF BEZOS GO TO SPACE on Discovery and Science Channels at 8:00A ET or at washingtonpost.com.

In the Cocos Islands, the sun danced across the sky in a daily ritual beginning with pink hues that burned to cobalt blue and retreated into deep purples by the day's end. But every moment was focused on using sophisticated marine technology to locate an elusive tiger shark on ROGUE TIGER SHARK: THE HUNT FOR LAGERTHA.Stream ROGUE TIGER SHARK: THE HUNT FOR LAGERTHA on discovery+.

Scientists use a variety of methods, from acoustic tracking to body cams, to collect vital information on where sharks live, their numbers, their behavior, and environmental health.See scientists at work using these technologies to help study and save the sharks. Stream SHARK WEEK now on discovery+.

Kinga Philipps, diver and filmmaker, talks close encounters, free diving with tiger sharks and the evolution of women in exploration. Stream TIGER QUEEN and more exclusive Shark Week content now on discovery+.

Marine conservationists and oceanographers are increasingly using drones to help them study sea and coastal habitats. Stream SHARK WEEK on discovery+.

On Sunday, July 11, around 11:30A ET, Richard Branson, the founder of Virgin Galactic, soared to the edge of space as a passenger aboard Virgin Galactic’s VSS Unity. The space plane then landed safely at Spaceport America in New Mexico, making Branson's space tourism dream come true.

We depend on sharks: that’s just a fact. As predators, they regulate the ocean’s ecosystems and reduce carbon emissions, so preserving their numbers is a top priority.

One of the largest marine conservation areas in the world is just a handful of dots on a map, six islands spread across more than 490,000 square miles of ocean. I’ve visited two of those six islands, though they are worlds apart.

It's a plane, it's a bird, it's a... Shark? Starting June 24, keep your eyes on the sky for... a flying shark! The first-ever SHARK WEEK Blimp will be flying along the East coast to get fans excited for the best thing about summer.Track the SHARK WEEK Blimp's whereabouts here and share photos of your sightings on social using #SharkWeek.And get ready, Shark Week starts on July 11 on Discovery and discovery+.

It’s not summer without Shark Week and it’s not Shark Week without Bob the Shark! Now you can talk to him about all things Shark Week on your Google Home or Amazon Alexa devices.