Heartfelt messages to send someone special on this milestone day.

Every birthday is one to celebrate, however, for many people, the transition from their thirties to 40 is a big deal. It's not every year that someone turns the big 4-0 so it's worth pulling out all ...

Opinions expressed by Entrepreneur contributors are their own. Tap the screen on your smartphone and poof — a car appears outside your front door. Aug. 6 is a special day for one of the men behind ...

Add Yahoo as a preferred source to see more of our stories on Google. 40 isn't old. It's just 20 with 20 years of experience. Welcome to the big 4-0, where every ache has a story behind it. Happy ...

40 isn't old. It's just 20 with 20 years of experience. Welcome to the big 4-0, where every ache has a story behind it. Happy birthday! Happy 40th birthday! Don't think of it as getting older; think ...