Howcast - Let tennis pros Joe Perez and Kirk Moritz teach you how to do a two-handed backhand in this Howcast video.

Learn about the physicist and astronaut, Sally Ride, who became the first American woman to fly in space.

Alexa teaches you how to say SINCE and FOR in French.

Maria Sharapova, tennis champion and CEO of premium candy brand, Sugarpova, discusses her transition from athlete to full-time entrepreneur at the WSJ's Future of Everything Festival.

SUNNYVALE, CALIFORNIA - 5 NOVEMBER 2017: A defiant teenager born with a rare facial tumour that leaves her unable to speak or eat dreams of becoming a nurse. Doctors said Jacqueline Rodriguez would not live to see her first birthday, but...

A defiant teenager born with a rare facial tumour that leaves her unable to speak or eat dreams of becoming a nurse. Doctors said Jacqueline Rodriguez would not live to see her first birthday, but the now 16-year-old has truly defied all...

Let's look at the present perfect continuous tense. I have been trying to teach this basic English grammar lesson for weeks.

Show me that you have understood how to use the present perfect continuous tense by placing an example...

Serena Ventures Managing Partner Serena Williams and General Partner Alison Rapaport Stillman join Emily Chang to discuss their new $11 million dollar fund focusing on diverse founders, what they think the next big thing is, and what...

Oct. 20 -- Womens Tennis Association CEO Stacey Allaster discusses the WTA Finals tournament in Singapore and the outlook for womens tennis in Asia with Bloomberg's Rishaad Salamat on On The Move. (Source: Bloomberg)

Williams said she doesn't like the word "retirement" and thinks of this as "evolving away from tennis, toward other things that are important to me."

Andy Murray tells AFP it would be naive and silly to think he will ever return to being the player that surged to number one in the world at the Zhuhai Championships in southern China (Footage by AFPTV via Getty Images)

The Williams sisters were eliminated by the Czech pair of Lucie Hradecka and Linda Noskova 7-6 (5), 6-4 at Flushing Meadows.

Interview with Dinara Safina at Wimbledon