Health Care In America
Featured Series: Health Care In America
Millions of people enrolled in President Barack Obama's signature Affordable Care Act. But the future of that health care legislation under President Donald Trump and a Republican-led Congress...
Voyager I

A Lot Of Our Space Knowledge Comes From A Bunch Of Antiques

We owe a lot of what we know about space to a series of relatively low-tech probes.


1:34Alpha Centauri, one of our closest stellar neighbors.
ESO / Digitized Sky Survey 2 / Davide De Martin

The First Star-Visiting Probe Will Need Some Ambitious Engineering

1:22The International Space Station as seen from the space shuttle Atlantis

FOR SALE: Gently Used Space Station

1:09An artist's concept shows a SpaceX Crew Dragon docking with the International Space Station.

SpaceX And Boeing Are Officially Setting Up Shop On The ISS

1:15A depiction of SpaceX's proposed Red Dragon capsule, which will attempt a landing on Mars

Commercial Space Companies Have Big Plans For The Future

1:00A piece of equipment for mining the moon
Twitter / @MoonEx

One Small Step For Science, One Giant Leap For Commercial Space Travel

1:09An artist's rendering of the Orion spacecraft.

NASA's Mars Mission Might Be In Trouble

1:12Apollo 12 Astronauts

Apollo Astronauts' Health Issues Reveal A Hurdle To Deep-Space Travel

1:03A SpaceX Falcon 9 rocket lifts off on June 15, 2016.

SpaceX Rocket Experiences 'Rapid Unscheduled Disassembly' (It Crashed)

1:16A Falcon 9 rocket sitting atop SpaceX's floating barge.

SpaceX's Water Landings Are Becoming Routine

1:20A SpaceX rocket launches from Cape Canaveral Air Force Station.

Even SpaceX Didn't Expect Its Rocket To Land This Time, But It Did

1:23SpaceX wants to reach Mars with its Dragon capsules by 2018.

Just How Ambitious Are SpaceX's Mars Plans?

1:10SpaceX says it hopes to send a probe to Mars as soon as 2018.
Twitter / @SpaceX

SpaceX Is Getting Serious About Going To Mars

1:22A lightsail is shown being pushed away from Earth by lasers from Earth.
Breakthrough Initiatives

Want To Visit A Distant Star? Hitch A Ride On A Space Laser

1:23SpaceX's Falcon 9 rocket after touching down on the autonomous barge.

SpaceX Just Landed A Rocket On A Tiny Barge In The Middle Of The Ocean

1:14An inflatable habitat segment could eventually be used in orbital research and missions past Earth orbit.

The Space Station's Newest Room Will Blow Up Like A Balloon

:49A image taken from a video previewing the ExoMars mission.
European Space Agency

European-Russian Mission Hopes To Find Life On Mars

1:34Blue Origin launches its New Shepard rocket.
Blue Origin

Blue Origin Says Spaceflight Isn't A Race, But It Sure Seems Like One

1:27The SES-9 mission lifting off.

SpaceX Successfully Launches Satellite But Misses The Landing

1:26Virgin Galactic unveiled its new spaceship, Unity, on Friday.
Virgin Galactic

Virgin Galactic Unveils Its First Spacecraft Since Deadly 2014 Crash

1:08The same New Shepard booster that flew to space and then landed vertically in November 2015 has now flown and landed again.
Blue Origin

Blue Origin Is The First To Launch, Land The Same Rocket Twice

:56SpaceX Falcon 9 rocket prepares for launch

SpaceX Still Can't Land A Rocket On Its Floating Landing Pad

1:03The International Space Station in orbit with Earth in the background

A New Company — And Another Astronaut — Will Be Heading To The ISS

NASA, SpaceX, Blue Origin

A Lot Happened In Space In 2015

SpaceX, Blue Origin

So SpaceX And Blue Origin Can Land Rockets. Now What?


SpaceX Gets Back In The Game With Falcon 9 Launch

Maritime and Coastguard Agency

The UK Thinks It Found The Rocket NASA Was Looking For

Blue Origin

There's A New Front-Runner In The Reusable Rockets Race

SpaceX / CC0

SpaceX Gets Its First Official Contract For Manned Launches

Getty Images / Bill Ingalls

Scott Kelly Breaks US Consecutive Space Flight Record


Tune In Or Just Look Up To See NASA's Latest Rocket Test