
While the Mars rover Curiosity is discovering the building blocks of life on the red planet, many are equally excited about another development: commercial companies have finally discovered profit in space.

A privately owned cargo ship left the International Space Station with a full science load Tuesday and aimed for a splashdown in the Pacific.
A private Earth-to-orbit delivery service made good on its latest shipment to the International Space Station on Sunday, overcoming mechanical difficulty and delivering a ton of supplies with high-flying finesse.
A private Earth-to-orbit delivery service made good on its latest shipment to the International Space Station on Sunday, overcoming mechanical difficulty and delivering a ton of supplies with high-flying finesse.

A privately owned Dragon capsule arrived at the International Space Station on Sunday, delivering a ton of supplies with high-flying finesse after a shaky start to the mission.
A commercial vessel carrying a ton of supplies for the International Space Station ran into trouble shortly after liftoff Friday.
A commercial craft carrying a ton of supplies for the International Space Station ran into thruster trouble shortly after liftoff Friday. Flight controllers managed to gain control, but were forced to delay its arrival at the orbiting lab.
A commercial cargo ship rocketed toward the International Space Station on Friday under a billion-dollar contract with NASA that could lead to astronaut rides in just a few years.
SpaceX says it looks like an engine problem with its orbiting Dragon capsule has been fixed. But the vessel's arrival at the International Space Station with a load of supplies will be delayed.
A commercial craft carrying a ton of supplies for the International Space Station ran into thruster trouble shortly after liftoff Friday, and flight controllers scrambled to fix the problem.
A commercial craft carrying a ton of supplies for the International Space Station ran into thruster trouble shortly after liftoff Friday. Flight controllers managed to gain control, but were forced to delay its arrival at the orbiting lab.

When the history of crony capitalism is written, Elon Musk will deserve a chapter to himself. Mr. Musk began his career as a risk-taker and entrepreneur, co-founding the innovative online-payment system PayPal. His latest ventures depend on taxpayers, K Street lobbyists and campaign contributions.
An unmanned Dragon freighter carrying a stash of precious medical samples from the International Space Station parachuted into the Pacific Ocean on Sunday, completing the first official shipment under a billion-dollar contract with NASA.

A commercial cargo ship rocketed into orbit Sunday in pursuit of the International Space Station, the first of a dozen supply runs under a megacontract with NASA.
A commercial cargo ship rocketed into orbit Sunday in pursuit of the International Space Station, the first of a dozen supply runs under a mega-contract with NASA.
In a tweet following Friday's nerve-racking drama, Mr. Musk said, "Just want to say thanks to @NASA for being the world's coolest customer. Looking forward to delivering the goods!"
Mr. Musk leads the charge; he said he can have people flying on a modified