Scientists in Israel have taken skin cells from heart failure patients and turned them into working heart-muscle cells.

Reporters and analysts have been scrambling to piece together just what happened with the pricing of Facebook's initial public offering.

After several delays and one last-second abort since November, Tuesday's launch went off without a hitch.

More headlines: eight people reportedly shot outside playoff game, arrest made in case of missing CA teen, NATO agrees on Afghanistan timetable

A government panel suggests ending for most men a routine prostate cancern screening called PSA. The recommendation is proving controversial.

Google’s offering has overtaken Internet Explorer as the most-used browser worldwide.

Microsoft quietly launched So.cl. It's a social network but don't mistake it for Facebook.

More headlines: Chen Guangcheng arrives in U.S., Mark Zuckerberg gets married, solar eclipse today.

SpaceX had to abruptly cancel a historic launch after computers detected a problem with one of the rocket's engines.

Other headlines: Chen Guangcheng headed to the U.S.; G9 leaders meet at Camp David; SpaceX launch aborted at last minute.