12.5 Billion Years Of Galactic Evolution In 1 Minute

Now Playing

12.5 Billion Years Of Galactic Evolution In 1 Minute

Next Up

Sky Watch This Week: The Lyrids

Mysterious Train Of Light Illuminates Mexico Sky

Could Stargazing Be Good For Your Health?

Double Sunrise? Take A Look At This

Astronaut Shares Aurora Footage From Space

Never-Before-Seen Auroras On Neptune

'Cosmic Tornado’ Reveals Hidden Surprise

Inside Astrophotography: A Universe In Tiny Detail

Kilauea Eruption Shows Up On Satellite

Out-Of-This-World Skincare

Sun Pillar Formation Explained

What Are These Red Flashes In The Sky?

Dolphins Surround SpaceX Capsule After Splashdown

Climate Change Is Shrinking Space

Here’s Why Mars Is Red

Blood Moon Made For Spectacular Images

When’s The Next Chance To See A Lunar Eclipse?

5 Must-See Night Sky Events This March

Debris From SpaceX Rocket Rains Down On Florida

Look Up: Rare Seven-Planet Parade

NASA Keeps Changing The Odds Of Asteroid Hit

Watch: SpaceX Launch Lights Up The Skies

Comet And Aurora Light Up Tasmanian Night Sky

Asteroid Holds The Key Building Blocks To Life