Yet despite the drumbeat of evidence, we still know of just one planet in the cosmos with life — the one you’re standing on.

The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

A SpaceX spacecraft carrying four astronauts is on a pioneering journey circling Earth over its poles after launching Monday ...

Scientists have discovered four new Earth-like rocky planets orbiting Barnard's Star, just six light-years away. Using ...

Using explosives to create beauty rather than warfare and violence provides a sliver of hope for our shared human future.” ...

Suppose humanity was faced with an extinction-level event. Not just high odds, but certain-sure. A nearby supernova will ...

Experts have unveiled the most detailed images yet of the universe’s infancy, capturing light that traveled for more than 13 billion years.

By Isabella Kwai The moon slipped between the Earth and the sun on Saturday ... theory of the history and the structure of the universe. But a separate recent result reinforces it.