Green energy has long aimed to overthrow fossil fuel's stranglehold on world power generation. But for now, Silicon Valley is taking green energy down a different path.
Angel investors are stepping up to larger, more complicated investments as the venture capital industry consolidates. But there are drawbacks to accepting their investment capital.
A selection of solutions for a better employment rate: From cutting taxes to raising taxes, job sharing to job training.
The nation's entrepreneurial prowess may be the best hope to stem 9.7 percent unemployment. Companies from a laser-tech firm to a baby-sitting network are harnessing new ideas – and helping reinvent the economy.
The race for better batteries has spurred venture capitalists.
Financial crisis puts squeeze on tech sector start-ups.