One year ago today, President Donald J. Trump returned to office with a resounding mandate to restore prosperity, secure the border, rebuild American ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Demonstrators continue to brave frigid temperatures in Minneapolis to protest the Trump administration’s immigration enforcement crackdown. Follow for live updates.

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

一种彩虹色的狼蛛、一种毒蛇和一种手指呈钩状的毛茸茸的长臂猿之间有什么联系？它们都被列入了一份高度濒危物种的名单中，一英国慈善组织表示将于今年优先救助这份名单上的动物。

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

So if we’re right, each former human is now essentially a radio transmitter and receiver. One plurb sends out a signal that ...

While there’s no concrete consensus on a list of prerequisites for life to evolve on other planets, there are at least a ...

A new study suggests Jupiter's moon Europa may be 'dead,' lacking the geologic activity for life, just as interstellar ...

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

New research casts doubt on the prospects for a habitable, active environment beneath the frozen surface of Jupiter’s moon Europa. The new work is not based on direct observations, but on calculations ...