CNN values your feedback

1. How relevant is this ad to you?
2. Did you encounter any technical issues?
Thank You!
Your effort and contribution in providing this feedback is much appreciated.
Close
Ad Feedback
US
Crime + Justice
Energy + Environment
Extreme Weather
Space + Science
More
Crime + Justice Energy + Environment Extreme Weather Space + Science
Audio Live TV
My Account
  • Settings
  • Topics You Follow
  • Log Out
Your CNN account Log in to your CNN account
My Account
  • Settings
  • Topics You Follow
  • Log Out
Your CNN account Log in to your CNN account

Live TV Audio
Edition
US
International
Arabic
Español
Edition
  • US
  • International
  • Arabic
  • Español

Crime + Justice
Energy + Environment
Extreme Weather
Space + Science
Follow CNN

  • World
    • Africa
    • Americas
    • Asia
    • Australia
    • China
    • Europe
    • India
    • Middle East
    • United Kingdom
  • US Politics
    • The Biden Presidency
    • Facts First
    • 2024 Elections
  • Business
    • Tech
    • Media
    • Calculators
    • Videos
  • Markets
    • Pre-markets
    • After-Hours
    • Market Movers
    • Fear & Greed
    • World Markets
    • Investing
    • Markets Now
    • Before the Bell
    • Nightcap
  • Health
    • Life, But Better
    • Fitness
    • Food
    • Sleep
    • Mindfulness
    • Relationships
  • Entertainment
    • Movies
    • Television
    • Celebrity
  • Tech
    • Innovate
    • Gadget
    • Foreseeable Future
    • Mission: Ahead
    • Upstarts
    • Work Transformed
    • Innovative Cities
  • Style
    • Arts
    • Design
    • Fashion
    • Architecture
    • Luxury
    • Beauty
    • Video
  • Travel
    • Destinations
    • Food & Drink
    • Stay
    • News
    • Videos
  • Sports
    • Football
    • Tennis
    • Golf
    • Motorsport
    • US Sports
    • Olympics
    • Climbing
    • Esports
    • Hockey
  • Videos
    • Live TV
    • Digital Studios
    • CNN Films
    • HLN
    • TV Schedule
    • TV Shows A-Z
    • CNNVR
  • Features
    • As Equals
    • Call to Earth
    • Freedom Project
    • Impact Your World
    • Inside Africa
    • 2 Degrees
    • CNN Heroes
    • All Features
  • Weather
    • Climate
    • Wildfire Tracker
    • Video
  • More
    • Photos
    • Longform
    • Investigations
    • CNN Profiles
    • CNN Leadership
    • CNN Newsletters
    • Work for CNN
Ad Feedback

When – or if – NASA finds life on Mars, the world may not be ready for the discovery, the agency chief says

By Scottie Andrew, CNN
2 minute read
Updated 5:22 PM EDT, Mon September 30, 2019
Link Copied!
Ad Feedback
after the moon mars 1
Video Ad Feedback
This is what life on Mars could be like
08:43 - Source: CNN
Latest Videos 17 videos
after the moon mars 1
Video Ad Feedback
This is what life on Mars could be like
08:43
Now playing
- Source: CNN
3 way split of Chris Christie, Nikki Haley, and Vivek Ramaswamy at the Dec 2023 GOP Debate
Video Ad Feedback
'Most obnoxious blowhard in America': Christie defends Haley from Ramaswamy attacks
02:16
Now playing
- Source: CNN
iowa voter panel
Video Ad Feedback
Hear who Iowa voters think won the debate
05:15
Now playing
- Source: CNN
charles barkley trump split
Video Ad Feedback
Charles Barkley reacts to Trump's comments
01:44
Now playing
- Source: CNN
US Coast Guard
Video Ad Feedback
Coast Guard admits it failed to support sexual assault victims in an internal review
03:17
Now playing
- Source: CNN
Anna Coren with Avdiivka commander SCREENGRAB
Video Ad Feedback
See why delay in US aid is 'alarming' for soldiers in Ukraine
04:04
Now playing
- Source: CNN
palestinian shot west bank
Video Ad Feedback
Video shows mentally disabled Palestinian man shot in West Bank
01:05
Now playing
- Source: CNN
TOPSHOT - Law enforcement escort people outside the University of Nevada, Las Vegas, campus following a shooting in Las Vegas on December 6, 2023. "Multiple victims" were reported in a shooting at a US university on December 6, 2023, with police saying a short time later the suspect was dead. Students and members of the public had been told to avoid the area after reports of an active shooter on the campus of the University of Nevada Las Vegas. (Photo by Ronda Churchill / AFP) (Photo by RONDA CHURCHILL/AFP via Getty Images)