23-time gold medalist Michael Phelps is opening up about two causes close to his heart: depression and water conservation.

The OMGs just roll off the tongue when you see Olympian Simone Biles in the arms of her crush, film star Zac Efron.

Olympic gold medalist hospitalized because of a "seriously infected past mouth injury" on night her teammates present Beyoncé with big award.

The Internet is clapping back at media outlets, commentators and tweeters alike for their casual yet atrocious discrimination of female Olympians this summer.

Follow these 29 accounts for your behind-the-scenes look at U.S. athletes who just might capture gold in Rio.

In many track races, competitors will not line up at one even starting mark. Instead, runners start in their own lane at different positions on the track. This creates a staggered appearance for the runners when viewed from overhead.

Barbells are long, straight, metal bars that you use as resistance for strength-training exercises. They are available in two types: regular barbells and Olympic barbells. You can do the same exercises, including squats, deadlifts, presses, rows and curls, with either type of bar.

Professional swimmers compete in regional, national and international competitions to build on their athletic records. Swimming can be an expensive sport — competition fees, swimming gear, high-calorie diets and travel expenses add up, and time spent away from home makes it hard to maintain a full-time job.

Jumping is integral to many Summer Olympic sports. There are no Winter Olympic sporting events that require an athlete to jump since all the sports are performed on either skis or skates, or on sliding equipment such as a bobsled.

Diets for Olympic weightlifters mirror the diets of non-Olympic weightlifters. Olympic weightlifters compete in two events: the one-movement jerk and the two-movement snatch. Both Olympic and non-Olympic weightlifters need technical skills, flexibility, speed and strength to succeed and improve in your sports.

The Summer Olympics were around long before the Winter Olympics. For many years, the Summer and Winter Olympics were held in the same calendar year. In 1986, the International Olympic Committee, or IOC, voted to change the schedule, allowing one competition to be held every two years.

Olympic weight plates are one of two types of weight plates. The other type is standard weights. Olympic weights are used in the sport of Olympic weightlifting. They are often found in commercial gyms and fitness centers.