Long before astronomers discovered the first exoplanet in 1992, the idea of worlds orbiting distant stars captivated the minds of academics and dreamers alike. As far back as the 16th century, ...

If such worlds exist, they could be among the most common life-bearing planets in the galaxy. Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope ...

Carbon dioxide has been detected on a planet outside our solar system for the first time. The gas has been observed directly by the James Webb Space Telescope on four exoplanets, all belonging to ...

Could alien life exist on planets nothing like Earth? Scientists think a surprising new method could unravel this mystery. Researchers from the University of California, Riverside, suggest that ...