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.

According to pictures from New Horizon, in the darkest, deepest reaches of our solar system, you could stand on the summit of a mountain covered by exotic ices and look up at hazy blue skies.

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.

The debate over whether Pluto is a planet, much less what constitutes a planet, is still raging in the scientific community.

The world's biggest porn site wants to take adult entertainment to the final frontier and we should absolutely encourage them.

Pluto may be a dwarf planet whose official status is in flux. But that doesn't mean it's not a very special place...

We knew cosmic rays were a danger to astronauts' bodies, but it turns out they're hazardous to their minds as well.

Want a longer, healthier, more exciting life with many quality years in your old age? Support space exploration.

Mars One might be imploding under its own hype but that doesn't mean we can't learn from its ability to tap into people's desire to explore.

New designs for potential single stage to orbit space planes won't replace rockets. But they could handle crews while the rockets handle cargo.

Robotics researcher Srikanth Saripalli advances a bizarre argument against human spaceflight and in favor of sending a robots we haven't invented yet to distant worlds.

If we're going to have astronauts working and living in space for years at a time, cramming them in tight, fixed spaces without artificial gravity is doing them, and us, a major disservice.

The implications of the exploration strategy in Project Kronos may look fascinating, but imply some very scary and disturbing things...