Skip to main content
Sections
About Axios
Sign up
Driving the news:
The coronavirus pandemic
Arrow
Close
Sections
Politics & Policy
Black Lives Matter movement
Donald Trump
2020 conventions
2020 election
Policymaking
Immigration
Technology
Big Tech
Misinformation
Data privacy
Surveillance
Automation and AI
Economy & Business
Media
Stock market
Jobs
Transportation
Retail
Trade war
Health
Coronavirus
Health care costs
Affordable Care Act
Medicare for All
Vaping
Public health
World
China
North Korea
Iran
Russia
Israel
Energy & Environment
Climate change
Alternative energy
Oil companies
Electric vehicles
Science
Space
Extreme weather
Sports
NFL, NBA, MLB & NHL
NCAA
Sports betting
2021 Olympics
Axios gets you smarter, faster with news & information that matters.
Our mission statement
Arrow
About
About Axios
Advertise with us
Careers
Events
Axios on HBO
Privacy and terms
Online tracking choices
Contact us
Subscribe
Axios newsletters
Axios app
Axios podcasts
Close
Menu
Driving the news:
The coronavirus pandemic
Arrow
Sections
Politics & Policy
Black Lives Matter movement
Donald Trump
2020 conventions
2020 election
Policymaking
Immigration
Technology
Big Tech
Misinformation
Data privacy
Surveillance
Automation and AI
Economy & Business
Media
Stock market
Jobs
Transportation
Retail
Trade war
Health
Coronavirus
Health care costs
Affordable Care Act
Medicare for All
Vaping
Public health
World
China
North Korea
Iran
Russia
Israel
Energy & Environment
Climate change
Alternative energy
Oil companies
Electric vehicles
Science
Space
Extreme weather
Sports
NFL, NBA, MLB & NHL
NCAA
Sports betting
2021 Olympics
About
About Axios
Advertise with us
Careers
Events
Axios on HBO
Privacy and terms
Online tracking choices
Contact us
Subscribe
Axios newsletters
Axios app
Axios podcasts
Sean Carroll (theoretical physicist)
Theoretical physicist, California Institute of Technology
sean_carroll@axios.com
Stories
Expert Voices
Space is overrated
Jul 3, 2017 -
Science
Show 10 more stories