You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
ValveTime.co.uk | Valve News, Forums, Steam
Yes, currently, there is a steam outage that is affecting large numbers of people.
Its received a fair bit of attention and will be fixed ASAP by valve.
Apparently, one of the master servers is down, and all accounts tied to it will not work.