An ambitious new technology might be needed to see other Earths

The race is on to discover truly habitable Earth-like worlds. While we are starting to observe the atmospheres of large potentially habitable planets such as Hycean worlds with the telescopes we currently have, the most significant ...

UK man swims entire New York river in clean-water campaign

British endurance swimmer Lewis Pugh on Wednesday completed a 315-mile (500-kilometer) journey down New York's Hudson River, highlighting its successful decades-long cleanup as a beacon for other waterways.

Did this supernova explode twice?

All supernovae are exploding stars. But the nature of a supernova explosion varies quite a bit. One type, named Type 1a supernovae, involves a binary star where one of the pair is a white dwarf. And while supernovae of all ...

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