Expedition 23 Soyuz Rollout

The Soyuz TMA-18 spacecraft arrived by train to the launch pad at the Baikonur Cosmodrome, Kazakhstan,…

Ashes to Ashes, Dust to Dust

This new composite image from NASA's Chandra X-ray Observatory and Spitzer Space Telescope shows the dusty…

NASA’s First Class of Female Astronauts

From left to right are Shannon W. Lucid, Margaret Rhea Seddon, Kathryn D. Sullivan, Judith A.…

Preparing Discovery for Flight

A specialized transporter brought the payload canister to Launch Pad 39A in preparation for the STS-131…

Learning Can Be a ‘Drag’

When Ajay Ramesh and Prithvi Aiyaswamy, two seventh graders from Chaboya Middle School, San Jose, Calif.,…

Mars’ Concepcion Crater

NASA's Mars Exploration Rover Opportunity took this image in preparation for the first autonomous selection of…

A Burst of Spring

Spring has sprung on Mars, bringing with it the disappearance of carbon dioxide ice (dry ice)…

STS-125 Crew Visits the Stock Exchange

NASA astronauts Scott Altman and Mike Massimino of the STS-125 mission visit the New York Stock…

Experience Hubble’s Universe in 3-D

This image depicts a vast canyon of dust and gas in the Orion Nebula from a…

Expedition 22 Crew Lands

The Soyuz TMA-16 spacecraft is seen as it lands with Expedition 22 Commander Jeff Williams and…