K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Finding evidence of life in the cosmos is the “holy grail” of exoplanet science, one of the scientists said, but there is ...

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

The red dwarf, located some 55 light-years away ... predict will be the last stars alight in an eventually cold and dark cosmos; these orbs will likely burn for more than 100 billion years.

Over the past decade, scientists have detected a puzzling phenomenon: radio pulses coming from within our Milky Way galaxy that would pulse every two hours, like a cosmic heartbeat.