Thirty Seconds To Mars Is An American Rock Band From Los Angeles, California, Formed In 1998. The Band Consists Of Brothers Jared Leto And Shannon Leto. During The Course Of Its Existence, It Has Undergone Various Line-up Changes With The Leto Brothers Being The Only Consistent Members. When Exploring Thirty Seconds To Mars Merch, Buy Thirty Seconds To Mars Merch Here! #thirtysecondstomarsmerch #thirtysecondstomarsmerchandise