Discover how this comprehensive 7-day HIIT program maximizes fitness gains through expert-designed workouts and evidence-based recovery strategies.

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.

HIIT workouts can boost your metabolic rate (helping you burn more calories throughout the day). And science backs up this ...