The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is ...

In TODAY.com's Expert Tip of the Day, a cardiologist explains why neglecting your "second heart" can lead to health ...

A bad mattress can silently age your body by affecting your spine skin posture and recovery Learn how your sleep surface ...

Learning to love the existence of all life on earth helped Mari Andrew let go of the blame she put on herself and her body.

From micronutrients to mindset shifts, Lauren Mallers breaks down holistic fertility fundamentals supported by science — so ...

A hidden box-lattice suggests groundwater sculpted Mars long after surface water fled; Curiosity’s drills aim to confirm the ...

In a small cell therapy trial, 10 out of 12 people with type 1 diabetes no longer needed supplemental insulin, even a year after treatment.

“We have fertility rates that are just spiraling. A teenager today, an American teenager, has less testosterone than a ...

Doctors say there are some good questions to pose before any treatment starts. Customers should ask the person starting the ...

Whales travel through the ocean, lunging, leaping, and playing, with grace and swiftness that belie their huge size. The ...

Ironheart is upping the stakes, with a finale akin to a Shakespearean tragedy. Following a six-episode set-up for ...

This time, he doesn’t have super soldier serum running through his veins to save him when a fight goes sideways ... That choice makes him stand apart from Steve Rogers, not just a copy of the man who ...