Alien: Earth does an incredible balancing act of all the subgenres that make the franchise so unique. There is all the wonderful world-building any sci-fi series needs. The search and rescue is very reminiscent of Aliens with the marines. And, of course, the xenomorph itself brings the horror to the series.

Alien: Earth ends its third chapter with "Wherever I May Roam," and the choice does more than decorate the credits.

The Amazon is the world's largest rainforest. It harbors immense biodiversity and plays a crucial role in the global climate system by storing vast amounts of carbon in its vegetation.

Our new results provide the strongest evidence yet that at least some Halley-type comets carried water with the same isotopic signature as that found on Earth,” said a NASA astrophysicist.

Russia launched its Bion-M No. 2 biosatellite today (Aug. 20), sending 75 mice, 1,000 fruit flies and other organisms to orbit to learn more about the health effects of spaceflight.

This quiz will explore the science behind the scenery, the facts behind the familiar, and the wonders that make Earth a living planet.

Sean Duffy, the acting administrator of NASA for a little more than a month, has vowed to make the United States great in space.