Ronda Rousey is back in the gym working on the skills that earned her an Olympic medal. After claiming bronze in judo at Beijing 2008, ‘Rowdy’ transitioned to MMA and became a legend.

Ronda Rousey has accomplished plenty in mixed martial arts and professional wrestling. A former UFC Bantamweight Champion, Rousey successfully transitioned to a career in professional wrestling ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The NASA Curiosity ...

NASA's Martian explorer Curiosity has found yet another mystery on the rocky road towards Mars' boxwork region. Credit: NASA / JPL-Caltech Aliens aren't terraforming Mars, but one of NASA's rovers ...

Elon Musk's estranged trans daughter called her father's plans to colonize Mars a 'marketing scheme' during an appearance on a liberal's live stream. Vivian Wilson, 20, appeared on the live ...

Some months away from turning 70, Maria Shriver is focused on answering one question: "Who am I?" In her lifetime, the TODAY contributor has been: member of a famous American dynasty, first lady ...

When it comes to ranking the best Pokemon games, there are a lot of entries to consider. With so many generations of loveable critters to catch, the series has continually evolved over the years.

Ronda Rousey wasn’t enthralled after accepting a multi-million-dollar offer to fight Holly Holm. In August 2015, ‘Rowdy’ stretched her perfect MMA record to 12-0 to… ...

On March 11, NASA's Perseverance Mars rover spotted a mysterious rock made of hundreds of tiny spheres that resemble spider eggs. Studying its formation could help us look for fossilized remains ...