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Former astronaut Buzz Aldrin testifies at a Senate Subcommittee on Space, Science, and Competitiveness, entitled ''U.S. Human Exploration Goals and Commercial Space Competitiveness,''? on Capitol Hill in Washington, February 24, 2015.
He will lead a new research institute aimed at paving a path toward Mars exploration and settlement
Your choice of selfies is pretty much in synch with your personality, a study says
Mass extinction events during Ordovician and Silurian periods shaped the evolution of life
Scientists think the footprints of a 30-tonne dinosaur could be around 145 million years old
It will take the capsule five days to reach the station, a $100 billion laboratory that flies about 250 miles (400 km) above Earth.
Ever wondered why some random faces in the crowd look familiar?
The discovery could lead to new treatments for patients with psychiatric disorders