The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

The fast-moving gas cloud could help explain the so-called missing satellite problem, if the object is what scientists think ...

Judging by the volume of messages that I, too, received on Wednesday night, a great many people interpreted the Times ’ push ...

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...