The plants outside your window carry a hidden geography. Many arrived from distant continents. A new global forecast shows that mix is about to shift, in ways few people notice until it takes hold.

Explore 25 Earth locations that look like another planet! Discover bizarre landscapes, from Martian deserts to icy moons, ...

Cooperation between them was rare, though a classic episode of Rod Serling's  The Twilight Zone did manage to facilitate a ...

After decades of sending radio signals into space, humanity finally receives a reply—but it's nothing like anyone expected.

"Stranger Things" is a fun ride, but it's far from the best science fiction TV series out there. These sci-fi shows all top ...

In 1986, James Cameron achieved the feat of giving the cult film “Alien” a sequel that is both equal and independent.

Seeds that flew on a NASA mission were planted, and now a sweet gum tree will be celebrated as a “moon tree” in Manhattan.

NOTE: This post was updated at 9:37 a.m. with some community reaction from outside the defense summit. President Donald J.

The Mill Valley native recently graduated from the Missouri University of Science and Technology after spending all four ...

From Tress of the Emerald Sea to Crossroads of Ravens, these are the best fantasy novels to come out during the 2020s... so ...

Comic-Con is coming! It can be overwhelming, even for someone who has been going for more than a half-century. To help you navigate the hundreds of hours of programming, I've organized my ...

People tend to think of green plants or small green creatures when they think of alien life. But new scientific research ...