NATIONAL GEOGRAPHIC
VIDEO HOME
NAT GEO TV
NAT GEO WILD
KIDS
MORE VIDEOS
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
101 Video Shorts
What is an Equinox?
What are equinoxes? What causes these astronomical events? Find out how they influence the seasons and hours of daylight on each planet.
more
X
101 Video Shorts
What is an Equinox?
Equinox
Planets
Seasons
Solstice
Sun
Milky Way
Astronomy
Winter
Fall
Summer
Spring
What are equinoxes? What causes these astronomical events? Find out how they influence the seasons and hours of daylight on each planet.
X
101 Video Shorts
What is an Equinox?
What are equinoxes? What causes these astronomical events? Find out how they influence the seasons and hours of daylight on each planet.
Share Link
Featured Videos
Related
What Happened to the Lost Colony of Roanoke?
A Brief History of Dogs
Why Do Young People Get Involved in Social Movements?
Why Do We Celebrate St. Patrick's Day?
What is Acid Rain?
History of the Olympics
What Are Tundras?
What is Mercury Poisoning?
What is a Solstice?
The History of Auld Lang Syne
What is Boxing Day?
Hanukkah: The Festival of Lights
Who Is Krampus?
Who Was Saint Nicholas?
When Was the Tomb of Christ Discovered?
What is the Keystone XL Pipeline?
What is a Supermoon?
What Is Thanksgiving?
Amazing Animal Migrations by Land, Air, and Sea
What is Day of the Dead?
The World's Biggest Spider, Vampire Fish, and Other Real-Life Monsters
Gravitational Waves 101
The History of Columbus Day
What is the Nobel Prize?
What is Nuclear Energy?
How Many Moons Does Each Planet Have?
Rare Footage of Some of the World's Worst Natural Disasters
What is Solar Power?
ADHD and the Brain
You'll Never Guess Which Animals Make These Sounds
See Five Weirdly Mesmerizing Deep Sea Creatures
See How America Celebrated the 2017 Total Solar Eclipse
What Are Fossil Fuels?
Meet Some of the World's Most Endangered Animals
Newest
All
Category:
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
wild_life with bertie gregory
Behind the scenes: Experiencing the spectacular Northern Lights
01:00
wild_life with bertie gregory
Meet the small Arctic animals that conquer their big polar world
10:37
Short Film Showcase
Her black hole research confirms Einstein's relativity on a massive scale
04:48
Nat Geo Channel
Expedition Amelia
01:35
Short Film Showcase
These death-defying human towers build on Catalan tradition
12:58
Animals
This sacred golden fish thrives in Bhutan
04:32
Animals
20-foot great white shark caught on video is one of biggest known
02:05
wild_life with bertie gregory
Male polar bears fight each other—for a surprising reason
10:29
wild_life with bertie gregory
Behind the scenes: Meet a polar bear tracker
01:00
Animals
South Africa’s humpback whales make a stunning comeback
04:47
101 Videos
Sharks 101
05:16
Animals
How orcas hunt great whites fascinates biologists
02:58
Short Film Showcase
Rare ghost orchid has multiple pollinators, groundbreaking video reveals
16:05
wild_life with bertie gregory
Behind the shot: Camera drone captures wolf pack hunt
01:28
wild_life with bertie gregory
Wolf pack and polar bear face-off in the Canadian Arctic
10:41
Animals
Watch pigs communicate with humans in new experiment
02:32
Show More Videos