Space station's 2 women prep for first all-female spacewalk

NASA astronauts Christina Koch and Jessica Meir will make "HERstory," as NASA is calling it, with the first all-female spacewalk. All four men aboard the International Space Station will remain inside, as Koch and Meir go out to replace a broken battery charger.

Planet-hunting NASA satellite captures a star being ripped apart by a black hole

For the first time, NASA’s planet-hunting Transiting Exoplanet Survey Satellite (TESS) was able to watch the “cataclysmic phenomenon” of a star being torn apart by a black hole from beginning to end. Using follow-up observations from telescopes, astronomers were able to capture unprecedented data about the star-destroying events known as tidal disruptions.