Meet the first independent human nation in space. Without an actual presence in space and an iffy plan for how to get there...

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.

While studying mysterious fast radio bursts, astronomers figured out why the universe weighs as much as it does and where that mass went.

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?

Asteroid mining may require changes to The Outer Space Treaty and the consequences of amending it badly could be very serious...

Enceladus is starting to look like a better and better place to look for aliens with Cassini's every pass.

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

Early galaxies seem to grow a lot faster than they should. We finally know how.

When confronted with aliens that could challenge a faith that hasn't changed for over a thousand years, theologians stand ready and willing... to rationalize away the facts and nuances of their own religion.

Newsweek covers a conspiracy theory that seemed created solely for the sake of creating a conspiracy.

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.

Let's say the worst happened and you've been sucked into a black hole as your body was torn apart. So, what happens to you next?

Scientists and engineers are slowly but steadily preparing to protect us from an incoming comet or asteroid despite the media's coverage of their efforts as anything but organized.