'Billion-Dollar View': See Incredible Footage from Virgin Galactic's 1st Spaceflight (Video)

'Billion-Dollar View': See Incredible Footage from Virgin Galactic's 1st Spaceflight (Video)

Voyager 2: Sailing Among Giant Planets

Voyager 2: Sailing Among Giant Planets

NASA's Stunning Photo of the Moon Will Make You Swoon

NASA's Stunning Photo of the Moon Will Make You Swoon

A Deadly, Fast-Spreading Form of Super-Ice Could Be Killing Off Alien Life-Forms

A Deadly, Fast-Spreading Form of Super-Ice Could Be Killing Off Alien Life-Forms

This Stuff Is Circling the Drain of Our Galaxy's Monster Black Hole (Videos)

This Stuff Is Circling the Drain of Our Galaxy's Monster Black Hole (Videos)

NASA Has a Wild Idea to Send 1 Probe to 7 Different Asteroids and It Could Launch In 2021

NASA Has a Wild Idea to Send 1 Probe to 7 Different Asteroids and It Could Launch In 2021

Best Binoculars 2018 for Astronomy, Nature, Sports and Travel

Best Binoculars 2018 for Astronomy, Nature, Sports and Travel

BepiColombo's Path: Why Does It Take So Long to Get to Mercury?

BepiColombo's Path: Why Does It Take So Long to Get to Mercury?

NASA's Kepler Planet-Hunting Space Telescope Wakes Up Again

NASA's Kepler Planet-Hunting Space Telescope Wakes Up Again

Huge Iceberg Poised to Break Off Antarctica's Pine Island Glacier

Huge Iceberg Poised to Break Off Antarctica's Pine Island Glacier

Voyager 2 May Be Leaving the Solar System Soon, NASA Says

Voyager 2 May Be Leaving the Solar System Soon, NASA Says

How Fast Is Earth Moving?

How Fast Is Earth Moving?

NASA Solar Probe Flies By Venus on Its Way to 'Touch' the Sun

NASA Solar Probe Flies By Venus on Its Way to 'Touch' the Sun

NASA Wants the Moon Again (and Mars, Too!) As Agency Turns 60

NASA Wants the Moon Again (and Mars, Too!) As Agency Turns 60

The Big 'Mistake' Disney Made With Star Wars That They're Fixing Now, According to Disney CEO

The Big 'Mistake' Disney Made With Star Wars That They're Fixing Now, According to Disney CEO

Why Alternate Universes Might Also Host Life Around their Stars

Why Alternate Universes Might Also Host Life Around their Stars

Why Does the Earth Rotate?

Why Does the Earth Rotate?

Student Project Scans Sky for Alien Laser Beams

Student Project Scans Sky for Alien Laser Beams

WWII Bombs Had Rippling Effect on the Edge of Space

WWII Bombs Had Rippling Effect on the Edge of Space

How Do Flat-Earthers Explain the Equinox? We Investigated.

How Do Flat-Earthers Explain the Equinox? We Investigated.

Mysterious Light Flashes Are Coming from Deep Space, and AI Just Found More of Them

Mysterious Light Flashes Are Coming from Deep Space, and AI Just Found More of Them

Is That the Death Star? Japanese Probe's Pictures of Ryugu Show a Divot on Top

Is That the Death Star? Japanese Probe's Pictures of Ryugu Show a Divot on Top

What Is the Biggest Star?

What Is the Biggest Star?

Scientists Prove Einstein Right Using the Most Elusive Particles in the Universe

Scientists Prove Einstein Right Using the Most Elusive Particles in the Universe

Universe's Expansion Rate Is Different Depending on Where You Look

Universe's Expansion Rate Is Different Depending on Where You Look

Saturn Moon Enceladus Is First Alien 'Water World' with Complex Organics

Saturn Moon Enceladus Is First Alien 'Water World' with Complex Organics

Weird Stuff Swirls in Air of Huge, Puffy Alien Planet

Weird Stuff Swirls in Air of Huge, Puffy Alien Planet

On This Day In Space! June 25, 1997: Collision at Russia's Mir Space Station

On This Day In Space! June 25, 1997: Collision at Russia's Mir Space Station

Einstein Was Right! Scientists Confirm General Relativity Works With Distant Galaxy

Einstein Was Right! Scientists Confirm General Relativity Works With Distant Galaxy

Black Holes Could Actually Be Colliding Wormholes

Black Holes Could Actually Be Colliding Wormholes

Early Earth's Habitability Could Boost the Chances of Alien Life

Early Earth's Habitability Could Boost the Chances of Alien Life

Chang'e-4 Relay Satellite Enters Halo Orbit Around Earth-Moon L2, Microsatellite in Lunar Orbit

Chang'e-4 Relay Satellite Enters Halo Orbit Around Earth-Moon L2, Microsatellite in Lunar Orbit

Neutron Stars: Definition & Facts

Neutron Stars: Definition & Facts

Watch the Sun's Elusive Corona Appear in Time-Lapse Solar Eclipse Video

Watch the Sun's Elusive Corona Appear in Time-Lapse Solar Eclipse Video

Interstellar 'GEMS' Lead Researchers Back to the Early Solar System

Interstellar 'GEMS' Lead Researchers Back to the Early Solar System

Interstellar 'GEMS' Lead Researchers Back to the Early Solar System

Interstellar 'GEMS' Lead Researchers Back to the Early Solar System

Days on Earth Are Getting Longer, Thanks to the Moon

Days on Earth Are Getting Longer, Thanks to the Moon

Days on Earth Are Getting Longer, Thanks to the Moon

Days on Earth Are Getting Longer, Thanks to the Moon

Days on Earth Are Getting Longer, Thanks to the Moon

Days on Earth Are Getting Longer, Thanks to the Moon

Extremely Large Telescope: The Biggest Eye on the Sky

Extremely Large Telescope: The Biggest Eye on the Sky

'Lonely' Neutron Star Looks Fabulous in This New Close-Up

'Lonely' Neutron Star Looks Fabulous in This New Close-Up

Populating a Mars Base Will Be Dangerously Unsexy

Populating a Mars Base Will Be Dangerously Unsexy

NASA Satellites Track Weird Changes in Fresh Water Around the World

NASA Satellites Track Weird Changes in Fresh Water Around the World

NASA Is Launching a Box of Lasers to Make the Coldest Spot In the Universe

NASA Is Launching a Box of Lasers to Make the Coldest Spot In the Universe

What is Solar Wind? - The Definition, Cause and Effects Explained

What is Solar Wind? - The Definition, Cause and Effects Explained

Scientists Just Found the Fastest-Growing Black Hole. Here's How Fast It 'Eats'

Scientists Just Found the Fastest-Growing Black Hole. Here's How Fast It 'Eats'

How Would Humanity React If We Really Found Aliens?

How Would Humanity React If We Really Found Aliens?

This Planet Is So Dark, Scientists Have to Guess What It Looks Like

This Planet Is So Dark, Scientists Have to Guess What It Looks Like

How a Football Field-Size Asteroid Caught Us by Surprise

How a Football Field-Size Asteroid Caught Us by Surprise

Scientists and Entrepreneurs Lobby for NASA Lunar Program

Scientists and Entrepreneurs Lobby for NASA Lunar Program

NASA's Got a Plan for a 'Galactic Positioning System' to Save Astronauts Lost in Space

NASA's Got a Plan for a 'Galactic Positioning System' to Save Astronauts Lost in Space

Dark Photons Probably Don't Exist, and If They Did, They'd Be Super Weird

Dark Photons Probably Don't Exist, and If They Did, They'd Be Super Weird

Chinese Space Station Is Tumbling Toward an Easter Sunday Crash

Chinese Space Station Is Tumbling Toward an Easter Sunday Crash

A Hungry Black Hole Devoured a Star, and Its 'Burp' Reveals How It Chowed Down

A Hungry Black Hole Devoured a Star, and Its 'Burp' Reveals How It Chowed Down

What the Media Can Learn from Physics and Cosmology

What the Media Can Learn from Physics and Cosmology

On This Day In Space! March 6, 1986: Vega 1 Flies by Halley's Comet (Video)

On This Day In Space! March 6, 1986: Vega 1 Flies by Halley's Comet (Video)

What Is a Blue Moon? Origins, Definitions and the Next One

What Is a Blue Moon? Origins, Definitions and the Next One

The Wall of Death Around Black Holes Could Break Down

The Wall of Death Around Black Holes Could Break Down

Black-Hole Bursts Turn 'Mini-Neptunes' into Rocky 'Super Earths'

Black-Hole Bursts Turn 'Mini-Neptunes' into Rocky 'Super Earths'

Water Might Be All Over the Moon, New Research Shows

Water Might Be All Over the Moon, New Research Shows

Origins of Earth's Weird 'Pulsating Auroras' Nailed Down

Origins of Earth's Weird 'Pulsating Auroras' Nailed Down

Are Supermassive Black Holes Going to Eat the Universe?

Are Supermassive Black Holes Going to Eat the Universe?

US Intelligence: Russia and China Will Have 'Operational' Anti-Satellite Weapons in a Few Years

US Intelligence: Russia and China Will Have 'Operational' Anti-Satellite Weapons in a Few Years

Full Moon Calendar 2018: When to See the Next Full Moon

Full Moon Calendar 2018: When to See the Next Full Moon