Two huge bubbles, thousands of light-years across, have been discovered jiggling near the center of a distant galaxy. They could be spitting all over Earth.

Henrietta Swan Leavitt, Cecilia Payne-Gaposchkin and Vera Rubin all helped change the way we view the universe. So why don’t we hear more about them?

Almost 35 years after Svetlana Savitskaya became the first woman to walk in space, history will once again be made.

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Since 1998, there have been 213 spacewalks at the International Space Station. In March, an all-female spacewalk is happening aboard the ISS.

Despite being the very first candidate planet discovered by our Kepler Mission, Kepler-1658b had a rocky road to confirmation. Ten years later, scientists have now confirmed that it is, in fact, a planet. It whips around its star every 3.85 days. Details: https://go.nasa.gov/2TDlaIl

Circa 2013

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One in five stars in our galaxy like the Sun have planets about the size of Earth and a surface temperature conducive to life, astronomers at UC Berkeley and University of Hawaii, Manoa now estimate.

The estimate was based on a statistical analysis of all the Kepler observations of NASA’s Kepler space telescope of the 200 billion stars in our galaxy.

Astronauts or astro-nots?

Visitors will get a chance to tackle the types of problems colonists might face on the real Mars.

Find out how you can submit original artwork for our Astronaut Crew Quarters, one of the places where crew members will spend time before heading out to the launch pad: https://go.nasa.gov/2TxmBYq