Astronomy

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
7 spectacular lessons from James Webb’s first deep-field image
Black hole mergers obey the laws of thermodynamics
James Webb’s first science images: before-and-after 
James Webb’s record-breaking first science image: explained 
NASA teases Webb telescope’s first images with list of targets (Updated)