(Each year, TIME recognizes 100 companies that are revolutionizing the world. Apply now to have your company reviewed by our editors.) At the end of 2012, T-Mobile US was not in a good place.

A pup named Valentina was returned to a shelter just before the holidays, and her heartbroken face has gone viral on social media. "Valentina was returned. She doesn't understand why," reads the ...

The best T-Mobile cell phone plans give you access to unlimited data each month. But the question you need to answer when you have to pick a T-Mobile plan is which of T-Mobile's several unlimited ...

As one of our resident wardrobe-basics experts, I’ve learned that a good white T-shirt is easy to find, but a truly great one — one that hits the marks on comfort and durability as well as ...

Long-sleeved T-shirts are an underrated wardrobe staple. As stylist and fashion designer Jordan Page of @veryadvanced points out, the humble long-sleeved tee can look “classier than short ...

T cells are white blood cells that are important for adaptive immunity. They have unique cell surface receptors that are generated by randomly assorting genes. These receptors allow T cells to ...

T-Mobile is the third-largest wireless carrier in the United States, with its popularity largely down to its network coverage and the wide range of tempting offers available. They span from T ...

Redheads make up only about 2% of the world’s population, but they have spawned an impressive body of folklore: They’re ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more T-shirts are quintessential for any wardrobe, especially during the spring and summer. They're a ...

A giant centipede’s many wriggling legs might be creepy. But the pair of legs not used for walking may be the most frightening. More than 430 million years ago, the two legs nearest the mouth evolved ...

You could easily make the same error, and Royal Caribbean won't help you if you do.