SpaceFacts. A description of every manned spaceflight since Yuri Gagarin.
NASA Human Spaceflight. All about the Space Station, the Space Shuttle, the Apollo missions to the Moon and more. A rich resource.
NASA ISS Sightings. When to see the International Space Station.
HDEV: Live camera on the ISS.
EPIC: a camera sees the Earth from space. It is on the DSCOVR spacecraft at the L1 point between the Earth and the Sun, so it sees the Earth from the Sun's point of view.