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 ...

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 ...

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being ...

Since then, nearly 6,000 planets outside our solar system have been discovered. Many are so-called gas giants, like Jupiter and Saturn in our solar system. Others are either too hot or too cold to ...

Since then, nearly 6,000 planets outside our solar system ... Does she think there is life on one of the icy Moons of Jupiter or Saturn? "I'd be very surprised if there wasn't," she says, beaming ...

Where else are astronomers searching for life? In our solar system, Earth is one of only three planets ... on a far-reaching journey to one of Jupiter's many moons where water is believed ...

The Webb telescope has spotted exoplanets circling white dwarf stars, proving that planets can survive their star’s violent ...

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being ...

The twin Voyager spacecraft flew by outer planets such as Jupiter and Saturn, revealing a huge amount of information about their moons and kicking off a serious search for life there.