Rain may have helped form the first cells, kick-starting life as we know it
Pollution from rocket launches and burning satellites could cause the next environmental emergency
James Webb Space Telescope takes center stage in 'Infinite Cosmos'. Author Ethan Siegel explains it all (exclusive)
Archaeologists uncover one of the world's oldest churches
SpaceX Falcon Heavy rocket launches NASA's Europa Clipper probe to explore icy Jupiter ocean moon (video)
NASA’s mission to an ice-covered moon will contain a message between water worlds
Human sense of smell is faster than previously thought, new study suggests
Fossil of new reptile species found in Brazil sheds light on rise of dinosaurs
