Stream Now 
Shows
Meet the Moonshiners of Season 11
Get a Peek into Selma Blair's World with her Behind the Scenes Photo Diary
Eight Teams are Going Head-to-Head on STREET OUTLAWS: NO PREP KINGS TEAM ATTACK
Your At-Home Happy Hour Is Here!
Get ready for Wednesdays packed with Moonshiners, Master Distiller and Smoke Ring
How to Be a Top Notch Ghostbuster
America’s Fastest Racers Return to the Track on STREET OUTLAWS: NO PREP KINGS
A First Look at STREET OUTLAWS: NO PREP KINGS
The Brown Family is Dedicating the New Season of Alaskan Bush People to Patriarch Billy Brown
The Hunt for Gold Intensifies in Gold Rush Season 12
See All Shows
DNews
The King of Chunks Has Been Crowned
The Ivory-Billed Woodpecker is Officially Extinct, Along with 22 Other Species
There’s a Black Rhino Baby Boom in Zimbabwe
Bee Swarm Kills 63 Endangered Penguins
Climate Week 2021 Shines a Light on the Climate Crisis
The Acrobats of the Skunk World
Using DNA to Reunite an Orphaned Elephant with her Mother
Giant Pandas are No Longer Endangered
Giraffes Have Daycares, Lunch Buddies, and Yearslong Relationships
NASA is Helping Save Sharks
See All DNews
Nature
The World’s Deadliest Bird Used to be a Pet
Beneath the Water in South America’s Wetlands Lurk Hundreds of Swimming Jaguars
Happy International Sloth Day!
500 Bee Species are Thriving in this Small Patch of Arizona Desert
Do Octopuses Dream?
Ancient Rock Art of the Mojave National Preserve
Revealing the Ancient Rock Art of the Mojave
The King of Chunks Has Been Crowned
Tank the Sea Turtle's Gotcha Day
The Ivory-Billed Woodpecker is Officially Extinct, Along with 22 Other Species
See All Nature
Exploration
The First All-Black Team Will Climb Mount Everest Next Year
3 Activists Making Noise for the World
Explore Landmarks Along the TransAm Trail
Get Lost in America's Enchanting Forests
Tour Tokyo by Photograph
8 Beaches that will Take Your Breath Away
Tour San Francisco by Photograph
Tour Istanbul by Photograph
Protecting The World's Elephants
Tour Zurich by Photograph
See All Exploration
Space
The Eeriest Place in the Universe
Why Pluto Isn’t a Planet, but (Maybe) Should Be
The Space Titans Are Here
Meet Some Out of this World Women Dominating Space
The Milky Way Broke its Arm (But is Totally Okay)
William Shatner Becomes Oldest Man to Travel to Space After Successful Blue Origin Space Flight
William Shatner's Journey to Space with Blue Origin
When Did the First Stars Shine?
William Shatner is going where no 90-year-old has gone before
Meet the 15 Earthshot Prize finalists
See All Space
Science
Sound of the Year: Awards Created to Recognize Chimes of History
Global Meltdown: Scientists Race to Gather Crucial Climate Data from Glaciers
William Shatner is going where no 90-year-old has gone before
23,000-Year-Old Human Footprints Discovered in America
A 400-Year-Old Coral Offers Hope for the Great Barrier Reef
Facial Recognition for Grizzly Bears
Disaster Zone Technology Gives Rescue Missions the Edge
2 New Species Of Dinosaurs Found In Northwest China
How a Whale Song is Helping Scientists Map the Seafloor
A Dragonfly's Highly Evolved Flying Technique is Perfect for Drones
See All Science
Motor
Hydrogen Ready to Ignite as Transport Network and Technology Takes Off
Catch-22: How the Clean Energy Industry is Perpetuating Deep-Sea Mining
Are Electric Highways the Way of the Future?
Solid State Batteries Promise Long Life and Rapid Refuel Electric Vehicles
Electric vs. Hydrogen: The Pros and Cons of Greener Transportation
Car Industry Takes a Hit Due to Chip Shortage
Flame Out: UK Brings Forward Combustion Engine Car Ban to 2030
Jesse James is Back with a New Monster Garage on discovery+
The DMC DeLorean: The Car Behind The Madness
The DMC DeLorean: Photos of the Hollywood Icon
See All Motor
Schedule
More
Cancel

Killers of the Cosmos | The Biggest and Baddest

02:00

Tune in to the premiere of Killers of the Cosmos on September 19 at 9p ET on Science Channel and discovery+.

Similar Topics:
Space

Related Videos

How the Universe Works | Journey Through the Cosmos with Mike Rowe 00:30

Space Launch Live | Crew-1 Mission and Future Space Exploration 01:42

Space Launch Live | NASA SpaceX Crew-1 Launch Well Wishes 00:56

Space Launch Live | Crew-1 Liftoff Recap 01:06

Phantom Signals | The Search for Answers 01:01

Space Launch Live | Crew-1 Liftoff 02:26

Mars Landing | The Rover's Arrival 00:55

Elon Musk Prepares for the Future of Space Travel 00:25

More Videos

Hubble's Greatest Moments 05:05

Check out the Crab Nebula 01:04

NASA's VIPER MIssion Looks for Water on the Moon 01:37

Space Out | How Giant Stars Die 01:54

The Kuiper Belt 02:29

That’s a (Weirdly) Big Black Hole! 01:43

Lowell Observatory Astronomers Celebrate Hubble's Legacy 00:57

DNEWS | NASA & SpaceX Mission Success 01:00

Space Launch Live | Crew-2 Launch 00:58

Space Launch LIVE | Josh Gates Chats With NASA Astronauts 02:34

Space Launch Live | Shatner In Space 02:32

Endangered | The Frontline of Conservation 01:15

Space Launch Live | Splashdown Crew-1 00:58

Mars Landing | Martian Conditions 02:50

Space Launch Live | Crew-2 Dock with ISS 00:58

Mars Landing | The First Images 01:01

We Recommend

Finalists for Prince William’s Earthshot Prize showcased in this new must-watch series

Celebrate Earth Month with New Specials and Series on discovery+

When Outer Space Meets Film Noir

Here are All the Shows Coming to Discovery and discovery+ that You Don't Want to Miss

Dr. Anthony Fauci and Others Discuss The Race for the Vaccine and Conquering COVID

Journey Through the Cosmos in an All-New Season of How the Universe Works