Science fiction taught us that humanity's next destination in space should be Mars, but science disagrees.

Astronauts get a very rare and unique perspective on our planet, one in which our world isn't just a steppingstone to the stars, but a fragile home to be protected.

If we're going to explore space, we have to prepare for long periods of isolation and boredom. Can social distancing during this pandemic teach us how to deal with them?

Looking for dying civilizations huddling around a cooling ember of a star isn't just a depressing idea, it's shortsighted science that dismisses life's ability to invent and innovate.

The long-debunked story of NASA buying ridiculously expensive pens is just too gratifying for some people to pass up.

NASA appears to be sick and tired of having to wait until the mid-2020s to return to the Moon on a future rocket that will be inferior to the private ones already flying, and easily lapped by ones currently being built.

Space is becoming a growing commercial industry. And we need to start heavily investing in it to save ourselves from our worst decision makers.

We need big ideas if we're going to successfully transition to a post-industrial society.

A proposal for a Martian habitat wants to use the power of water for both structural support and radiation shielding.

Yuri Milner wants to explore Alpha Centauri with a tiny spaceship propelled by the biggest and most powerful laser cannon ever built. That may be a lot harder than it sounds.

When not promising us cities on Triton in ten years, the media seems befuddled by and incredulous of the most conservative and realistic plans for space exploration.

Could the far future see a market for selling entire planets not too dissimilar from today's real estate market?

Someone should tell Elon Musk that a nuclear bombardment of Mars into habitability won't be much of a shortcut.

New Horizons' flyby of Pluto let us see a brand new world that doesn't fit in our conventional categories, and reminded us that at our heart, we're explorers, not drones.

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