Getting to outer space is tough, but living there presents a whole new slew if issues. Check out how astronauts accomplish everyday tasks in orbit.

For over a century, astronomers have marveled at the beauty and complexity of spiral galaxies, which feature arms covered in a multitude of small-scale features known as feathers.

Physics Gravity may arise from quantumness of space Scientists have long sought the particle that carries the force of gravity, but a new theoretical model tosses out that idea entirely – and ...

A new physics paper takes a step toward creating a long-sought "theory of everything" by uniting gravity with the quantum world. However, the new theory remains far from being proven observationally.

NASA astronauts Suni Williams and Butch Wilmore are back on Earth after 286 days in space. Former astronaut and ISS commander Terry Virts and former NASA Administrator Major General Charles Bolden ...

Our knowledge of the effects of space and low gravity on blood cells, clotting, and anemia continues to expand, but further research is needed as commercial spaceflights are poised to grow in ...