NASA astronaut Peggy Whitson has now spent more time off-planet than any other American. On Monday morning, the president and Ivanka Trump called Whitson at the International Space Station to congratulate her.
Canadian photographers discovered a new kind of northern light. They describe it as a ribbon of purple light in the night sky. They chose to name this marvel of the natural world: Steve.
The Cassini spacecraft, launched in 1997, has begun its final trip, which will end in its eventual destruction on Saturn. It recently sent back a picture of Earth from 870 million miles away.
"The Science Guy" dons his lab coat and bow tie uniform yet again, this time, in a a new political context. In his new Netflix series, Nye tackles climate change deniers and beyond.
Conditions on Friday night and before dawn on Saturday should be ideal for spotting the streaks of space debris — leftover particles from a comet that was last seen in 1861.
It's the first mission to space for American Jack Fischer, who says there is one aspect of space station life that you can't train for on Earth: using a zero-gravity toilet.
Don't worry: Astronomers say asteroid 2014 JO25, which is more than a third of a mile wide, will fly harmlessly past our planet. Still, it should come close enough to be visible with small telescopes.