SETIでは主に、地球外文明が発する電波信号の捜索が行われてきました。私たち人類自身が電波を大いに活用していることに加えて、情報の伝達を目的とした電波信号は自然界の電波とは異なり、極めて狭い周波数帯域（ナローバンド）を利用するという特徴を持つと想定されることが理由です。人工的かどうかを見分けやすいということは、信号に気付くことができるチャンスもそれだけ高まるはずだ、というわけです。

For decades, the idea of alien life has lived somewhere between science and science fiction. From Hollywood & Bollywood films to grainy UFO footage on the internet, the possibility that humanity is ...

18 horas, 45 minutos - Xenonauts 2 gets a new trailer and the version 1.0 release date announcement. Watch the latest Xenonauts 2 trailer for this turn-based strategy game to see gameplay and more.

Hooded Horseは2026年3月9日，早期アクセス中のPC向けSFストラテジーゲーム「Xenonauts 2」を4月2日に正式リリースすると発表した。 『Xenonauts 2』正式リリース日発表トレーラー｜SFターン制タクティカル『ゼノノーツ 2』 本作は，イギリスの開発スタジオであるGoldhawk Interactiveが手掛けるタイトルで，2014年に発売された「Xenonauts ...

Xenonauts 2 gets a new trailer and the version 1.0 release date announcement. Watch the latest Xenonauts 2 trailer for this turn-based strategy game to see gameplay and more. Version 1.0 of Xenonauts ...

Staff Sergeant 81 faces a deadly alien machine during a brutal Ranger training mission as Earth comes under attack from ...

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

Directed by Patrick Hughes, ‘War Machine’ presents an action-packed science-fiction movie that finds the protagonist facing ...

It wouldn’t take much to pull the wool over your eyes, especially if you’re a passer-by who prefers to keep their head above the clouds and out of the eccentric aisles of a seemingly ordinary gas ...

Anyone familiar with the search for alien life will have heard of the "Goldilocks Zone" around a star. This is defined as the orbital band where the temperature is just right for liquid water to pool ...

All the Latest Game Footage and Images from Federal Reserve Simulator A Turn based Economic Simulation Game where the player assumes the role as head of the United States Federal Reserve. Games ...