Is there intelligent life on other planets?

在其他星球上存在具有智力的生命吗？

《牛津词典》

The theory supposes the existence of life on other planets.

这个理论假定其他行星存在生命。

《牛津词典》

The possibility that there is life on other planets in the universe has always inspired scientists to explore the outer space.

宇宙其他行星上存在生命的可能性一直激励着科学家探索外太空。

youdao

We will also tell about a historic record of rainy seasons in Asia, and the search for life on other planets.

VOA: special.2010.05.25

Web sites abound for alien-seekers: people trying to prove there is life on other planets or that entities from other planets have visited Earth.

CNN: The Internet: the final frontier for space watchers

And in terms of, in terms of the future, two things to conclude, one, when I talked to Billy Graham he had, last, he had questions that he wanted, that he was puzzled by that he admitted he didn't know everything, that he wanted to ask God when he got to Heaven, one was, whether there was life on other planets and another was why did he make Satan so strong.

BBC: News Online

The researchers hope that this will cast light on how life may have formed on earth or on other planets.

ECONOMIST: 20,000 leagues under the sea