The number of confirmed exoplanets, or worlds orbiting distant suns, shot past 1,000 last week, according to the semi-official Extrasolar Planets Encyclopedia. That’s pretty heady stuff considering ...

Just two decades after astronomers discovered the first exoplanet, NASA has confirmed the existence of 6,000 alien worlds.

In our solar system, Earth is one of but eight planets – nine if you really want to count Pluto – and the only one remotely hospitable to life. But look beyond our sun's gravitational pull into the ...

This documentary investigates the race to find life on extrasolar planets, revealing how new telescopes and bold missions may uncover alien worlds within the next five years. I Sat Next To A Gun ...

"Life can be understood as complexity, and water has a wide range of properties that enable this complexity." Scientists have developed a better model to understand "steam worlds," which are planets ...