Watch as Dwayne 'The Rock' Johnson humorously takes a literal rock for a stroll, showcasing his playful personality.

A unique illustration of a grey alien wearing a traditional cowboy hat from the 1800s, blending science fiction and western themes.

A simulated spacecraft navigates the intense gravitational forces surrounding a black hole, showcasing the warping of space-time.

The U-44 was a German U-boat that served in World War I, part of the U-43 class of submarines.

Explore the incredible defense system of the human body, from the different jobs and components of the immune system to its response to infections and how it keeps you safe.

Learn how to safely and effectively fire a gun without revealing your position or identity.

Learn about the guitarra, a stringed musical instrument originating from Spain, its history, types, and playing techniques.