SETI: Scientists Develop ‘Alien Contact Protocol’

Humanity might not “speak extraterrestrial.” The SETI Post-Detection Hub wants to coordinate how we respond to alien life.


What happens when humanity’s biggest sci-fi dream comes true and intelligent extraterrestrial life makes contact with Earth? A group of scientists is formally

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Two Worlds One Sun

How different does sunset appear from Mars than from Earth?


For comparison, two images of our common star were taken at sunset, one from Earth and one from Mars. These images were scaled to have same angular width and <a href=""

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