Initially observed in 1970, Earth Day, which takes place on April 22, pays tribute to our planet and the concept of peace.

First celebrated in 1970, Earth Day on April 22 honors our planet and peace. The Earth has inspired filmmakers to depict ...

In an exclusive clip from Invincible season four's finale, we see Allen the Alien prepare to become the leader of the ...

DeLonge is not the only musician to talk about aliens and encountering them. Though not as zealous as the Blink-182 member, ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

"Project Hail Mary" puppeteer James Ortiz is eligible for best supporting actor Oscars and SAG, raising questions on how ...

A throwaway line about Vulcan sparked decades of debate, until one clever theory finally made it official canon.

Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Animation is a medium, not a genre, and our list of the best animated films of all time shows the limitless potential of this ...

Scientists decided one way, but some states still see Pluto as a planet. So I asked the next generation their opinion.