Photo: The First Commercial Spacewalk
Civilian astronauts on a SpaceX mission traveled more than 800 miles away from Earth.
Earth
Happy Earth Day! Reason Recycles 5 Decades of Environmental Coverage
A selection of Reason's most incisive articles on population, pollution, resource depletion, biodiversity, energy, climate change, and the ideological environmentalists' penchant for peddling doom.
No, the World Is Not Heading Toward 'Mass Extinction'
Despite an apocalyptic media narrative, the modern era has brought much longer lives and the greatest decline in poverty ever.
Neil deGrasse Tyson: We Need a Space Force to Protect the Earth From Asteroids
The famed astrophysicist thinks a lot of people are only against the Space Force because it was Trump's idea.
The Planetary Protection Racket
It isn't just another useless, overpaid bureaucrat, but a crippler to any mission to Mars.
Study: Earth May Have Had Oxygen Earlier Than Previously Thought
Discovery may have implications for possibility of extra-terrestrial life
Google Street View Goes Mountain Climbing
Shares images from world's tallest peaks
Postenvironmentalism and Technological Abundance
A review of Love Your Monsters, a collection of essays on a new kind of environmentalism.
