"It's the best bang for your buck," says Jacqueline Kasen, WH+ Ultimate HIIT Challenge trainer and founder of Kasen Fitness.

In less than 20 minutes, you can sculpt your arms and abs with this upper body dumbbell workout, all while getting your heart ...

New research of a Martian meteorite suggests that water - an essential ingredient for life - arose in hot springs on Mars 4.4 billion years ago, at the same time as it did on Earth.

Are you ready to turn sweat into cash? In this high-stakes fitness challenge, you have one goal—burn 1,000 calories before time runs out! If you succeed, you’ll walk away with a $1,000 reward. But it ...

This brutal 11-week fitness challenge has taken over the internet. But critics have called it “ridiculous”, and “dangerous”.

Master this comprehensive 18-minute dumbbell workout targeting arms and abs, featuring expert-designed circuits for all fitness levels and proven strength gains ...

Torch stubborn belly fat and sculpt a leaner core with this expert-approved dumbbell workout. Discover the top exercises to tighten and tone your midsection fast!

Experts say our brains aren't meant to have the constant stimulation that phones provide. This daylong challenge could be the ...

For an event called the Alpine Warrior Challenge, you’d expect some snow and freezing temperatures.North Country ...

Interior designer aJoanna Gaines shared a post on Instagram about achieving her goal of doing 50 push-ups, but we couldn't ...

FITNESS SOCIAL MEDIA is a firehose of dumb workout advice—specifically for ab training. From five-minute core workouts to miracle exercises no normal person can pull off to barbell movements that ...