The go-karts can reach impressive speeds, with junior karts accelerating up to 20 mph and adult karts up to 35 mph.

The oldest daughter of Clark Hunt shows she’s more than just a Miss Kansas beauty queen with her thrill-seeking activities.

Adrenaline is used medicinally in devices like Epipens. Getty Images. Researchers trained mice to push on a lever when a high-frequency tone sounded, but not with a low-frequency one.

The Colter Cup is not just the longest downhill mountain bike race in the Tetons, it’s an insane adrenaline rush that pushes ...

Adrenaline junkies are often introduced to risky and thrilling sports and activities by a friend, family member or work colleague, then finding that they enjoy the feelings associated with doing them.

Marta Jiménez, 34, had became popular for her daredevil stunts on TV, landing her the nickname 'Adrenaline Woman' but she ...