China's Shenzhou 21 astronauts returned to Earth on Friday (May 29), wrapping up a record-breaking, and very eventful, space mission.
new video loaded: Southern Lights Seen From International Space Station The southern lights, also known as the aurora australis, were captured by the NASA astronaut Jessica Meir from the International ...
This video breaks down how scientists define planets and why that definition keeps changing. From Pluto’s removal to the discovery of thousands of exoplanets, the number of known worlds continues to ...
(via Kurzgesagt) Our best theory of the universe might be breaking apart! The new data we're receiving from space telescopes is creating more and more cracks in our current understanding of the ...