Missions

Astronaut Don Pettit continues his diary from Expedition 31 on the International Space Station. In this installment he talks about how astronauts spend their time on the ISS - from performing experiments to simply trying to stay alive.

Astronaut Don Pettit continues his diary from Expedition 31 on the International Space Station. In this installment he talks about dealing with reflected light in space photography and capturing images in the far infrared.

Astronaut Don Pettit continues his diary from Expedition 31 on the international space station. In this installment he reports on the progress of plants being grown in the conditions of low Earth orbit.

In his latest diary entry, astronaut Don Pettit talks about how exercise is used to stay healthy on the space station. Pettit also looks at the crystal structure of ice sheets made in space, questioning if they could be different than 'normal' ice that forms

The Kepler Space Telescope has completed its primary mission and will now begin an extended mission that could last as long as four years.

In his latest diary entry from Expedition 31, Don Pettit discusses daily life in microgravity on the International Space Station

ESA has announced a new mission to study super-Earths orbiting nearby stars. Dubbed 'Cheops,' the mission could be just the first in a new series of small missions developed as part of ESA's Science Program.

Don Pettit, member of the Expedition 31 crew, discusses the effects of spaceflight on the human body and the machines that help keep astronauts alive beyond the Earth's atmosphere.

Don Pettit, member of the Expedition 31 crew, proves that the sky is not the image for artistic compositions as he points he snaps photos from the vantage point of the International Space Station.

Don Pettit, member of the Expedition 31 crew, discusses the treasures that spaceflight may hold for humanity. Research on the International Space Station is helping scientists understand how life as we know it functions, and how it adapts to the space environment.