New York Times Headlines
http://www.nytimes.com/gst/nytheadlines.html
You have to register, but you'll get a nicely customizable newsfeed of New York Times headlines. Select from 18 different categories, including the front page, and six different page layouts. Nice addition to any news related site. 

Free News Feed
http://freenewsfeed.newsfactor.com/
Breaking news headlines on eBusiness and Technology that is updated continuously, around the clock. There are a number of ways you can add the feed, either by RSS, link, iframe or javascript. One of the available javascripts is very customizable. No registration is required.

Feedroll
http://www.feedroll.com
If you want to add the latest headlines from a variety of topics and be able to customize the entire feed, check out Feedroll.com. Feedroll is a free service that allows you to pick and choose from over 150 of the best feeds available. Yahoo, New York Times, CNET, Rolling Stone and more.

FeedDirect
http://www.feeddirect.com/
According to their website they offer free news from over 330 categories available in either javascript or RSS format. The setup wizard makes selecting the news type and formatting your content easy. You can even pull local news based on zip code. Links open in a new window so visitors remain on your site. You do have to send them the URL and email address to obtain the code.

Green Consumer Guide
http://www.greenconsumerguide.com/news_feed.php
This UK site offers a javascript news feed covering green related topics. No signup or registratiin is required.

Medical News Today
http://www.medicalnewstoday.com/newsfeeds.php
If you have any type of health or medical related site, this would be a great feed to add. You have to register with them, but you'll then have the opportunity to add the latest news headlines to your website from a number of various categories in the medical field. You can customize the colors and font size to better match up with your site design.

New4Sites.com
http://news4sites.com/newsfeeds/index.php
This site offers news headlines as both a free and paid service. The free feeds display four advertisements. Quite a few categories are available and there are a number of feed types available.

Send2Press.com
http://www.send2press.com/feed/
Nice site! News feeds from a number of different topics and available in a variety of formats. They even offer a nice news ticker. Just scroll to the bottom of the page.

Breaking News i.e.
http://breaking.examiner.ie/free/
Free news headline mix available in RSS, javascript or java applet format.

Mail &Guardian Online
http://www.mg.co.za/articledirect.aspx?articleid=19914&area=mg_flat
Mail & Guardian Online is an online African newspaper. They offer six different javascript feeds that allow you to place headlines from their paper on your site. Links open in a new window.