A Friendship Spanning Decades

Now Playing

A Friendship Spanning Decades

Next Up

Why Tonight's Strawberry Moon Is So Rare

Gorgeous View Of Northern Lights Over Pennsylvania

Why Does The Sky Sometimes Flash Green At Sunset?

Massive Meteor Lights Up Sky In China

Could Stargazing Be Good For Your Health?

SpaceX Rocket Tumbles Out Of Control

Astronaut Marvels At Lightning From Space

How Fast Are The Moon And Earth Drifting Apart?

Did Ancient Mars Have Rain,Snow?

Swedish Arctic Village Promises Best Aurora Experience

Sign Of Life? New Discovery On A Distant Planet

Top Spots To See Northern Lights On A Budget

Did A Meteorite Crash Into A New Jersey Auto Shop?

Katy Perry,Gayle King Launch On Blue Origin Rocket

Double Sunrise? Take A Look At This

12.5 Billion Years Of Galactic Evolution In 1 Minute

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?