Astronomy

NASA’s James Webb takes its first direct image of an exoplanet
There are more galaxies in the Universe than even Carl Sagan ever imagined
Three crucial experiments aboard NASA’s moon rocket
Future sailplanes could explore Mars like birds
The Universe is flat. Here’s what that teaches us. 
Newly discovered exoplanet may be first covered in liquid water 
A new nova disappeared faster than ever, and an even bigger cosmic catastrophe is coming 
Listen to the sound of a black hole, remixed by NASA
NASA thinks it may snow upside down on Europa 
Earth’s orbit is about to get way more crowded