Sputnik 2 was the second spacecraft ever launched into Earth's orbit. Launching on 3 November 1957, it carried the first living animal, Laika the Soviet space dog into orbit.
Curiosity is a car-sized rover designed to explore Gale Crater on Mars as part of NASA's Mars Science Laboratory mission. Curiosity was launched from Cape Canaveral on November 26th, 2011, and landed on Aeolis Palus inside Gale on Mars on August 6th, 2012.
SpaceX conducted the Falcon Heavy's maiden launch on February 6, 2018. The rocket carried a Tesla Roadster belonging to SpaceX founder Elon Musk, carrying a dummy dubbed "Starman", as a dummy payload.
Ellen Ochoa, Director of the NASA Johnson Space Center, talks about human space exploration: what we’re doing here in Texas to make it a possibility, how we’re working with commercial and international partners, and what the future has in store for a human presence in space.