Ivan Semeniuk

Canadian astronaut says he was resigned to the fact that he might not come back from trip around the moon

Mission STS-114 was known as 'The Return to Flight,' being the first shuttle launch since the Columbia tragedy.

Canadian Space Launch Act would allow for rockets and payloads to blast off from Canada

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Darren Gilmour will depart the organization in May after 16 years, the president of the academic association says

Skip to main content Three days before a survey team took this photo in Alaska's Tracy Arm, a tsunami – triggered by a landslide on the other side of the fjord – stripped away the vegetation on the slopes at middle.

Researchers say DNA from remains found in Nunavut was matched with living relatives to confirm four identities

Show marks the first time footwear artifacts from the Vindolanda fort will be displayed outside of Europe

Venter, who died on April 29, is a posthumous co-author on what is likely to be his final contribution to science

With a warming climate, groundwater is reaching layers of rock and soil that had been frozen for thousands of years