Military insiders suggest Earth may sit inside an alien quarantine zone, with humans treated like wildlife inside a cosmic ...

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.

Unlike the planet Mars, Cornish Mars attracts visitors daily, and is even pinned on Google Maps with its Martian nickname.

We rank the best GameCube games of all time. From Metroid Prime and Wind Waker to Super Smash Bros. Melee and Resident Evil 4 ...

We rank the best Xbox 360 games of all time. From Halo 3 and Gears of War to Skyrim, Mass Effect 2, and Call of Duty 4, these ...

Consciousness could be a fundamental part of reality, like gravity or matter, according to this controversial theory.

This week's recommendations are all big-ass open-world games you can sink your teeth into while enjoying a three-day weekend.

Scientists warn a strange iron bar in a distant nebula could reveal Earth's fate when the Sun dies, offering a grim look at ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

A major claim in the older media cycle was that NASA removed the book and related materials. Whatever happened during the original wave of reporting, the current reality is clear: NASA now provides an ...

Of all the various subgenres attached to the sci-fi domain, alien invasion flicks come off as timeless favorites. Here are ...

Mars, long admired for its rusty hue and alien deserts, may play a far greater role in shaping life on Earth than once ...