Study: Astronauts' Hearts Become Spherical In SpaceAccording to a recent study, an astronaut's heart forms a spherical shape when in space.
Astronaut Shares Details About Nearly Drowning In His Helmet During SpacewalkThe Italian astronaut who nearly drowned in his helmet during a spacewalk last month is sharing more details about the terrifying experience, revealing how he felt all alone and frantically tried to come up with a plan to save himself.
Astronaut, Cosmonaut To Spend Year In Space TogetherThe two men who will spend an entire year together aboard the International Space Station are already bracing for a challenging mission.
Opinion: Sally Ride, A Role Model For The AgesLooking around our nation, it’s obvious that we need more heroines and heroes with Sally Ride’s brave and courageous character. Her inspiration and legacy must live on to create the heroines – and heroes – of the future.

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