Thirty Seconds to Mars is an American rock band formed in 1998 by actor and musician Jared Leto and his brother Shannon Leto. The band is known for its anthemic sound, blending elements of rock, electronic, and orchestral music. They gained popularity with albums like "A Beautiful Lie" and "This Is War," which feature themes of love, struggle, and self-discovery. The band's fanbase, known as the Echelon, is highly dedicated and actively participates in various projects and events. Thirty Seconds to Mars has received multiple awards, including MTV Video Music Awards and Billboard Music Awards, solidifying their place in the modern rock scene.