Eventually, there will be life on Mars.

最终，火星上一定会有生命。

Finding life on Mars would be an epochal discovery.

发现火星上存在生命将会成为一项划时代的重大发现。

Scientists have not found any signs of life on Mars.

科学家一直没在火星上发现任何生命迹象。

What it found changed the game of finding life on Mars.

它的发现改变了寻找火星生命的计划。

" We conclude that this is evidence for early life on Mars" .

" 我们推定...这是一个火星上的早期生命。

Again, the questions, had there been running water and life on Mars?

问题又来了，火星上是否有水源和生命？

These gases could literally be the smoking gun for life on Mars.

这些气体可以说是火星生命存在的确切证据。

And the biggest question of all: is there life on Mars?

火星上有生命吗？

The hope...that Phoenix will unlock the mysteries of life on Mars.

希望...凤凰号可以解开火星上的生命之谜。

So, in the words of David Bowie: is there life on Mars?

那么，用大卫·鲍伊的话说：火星上有生命吗？

Looking for life on Mars is, in effect, looking for our own origins.

在火星上寻找生命，实际上就是寻找我们自己的起源。

Perseverance is on a mission to search for signs of ancient microbial life on Mars.

" 毅力" 号的任务是在火星上寻找古代微生物生命的迹象。

As far as we can tell right now, there is no sign of life on Mars.

据我们目前所知，火星上没有生命的迹象。

In fact, NASA uses the top of Mauna Loa to simulate life on Mars for researchers.

事实上，美国国家航空和宇宙航行局（NASA）利用莫纳罗亚山顶来为研究人员模拟火星生命。

But then, 3.7 billion years ago, something happens that transforms prospects for life on Mars forever.

但是，37 亿年前，发生了一件事，永远改变了火星上生命的前景。

Finding life on Mars could also help us understand the origins of life on our own planet.

在火星上寻找生命也会帮助我们了解在我们自己的星球上生命的起源。

The high-tech rover is on a mission to search for signs of ancient microbial life on Mars.

这台高科技探测器的任务是在火星上寻找古代微生物生命的迹象。

Here is an example from the article, " Study: Better Instruments Needed to Discover Life on Mars."

以下是文章《研究：发现火星生命所需的更好仪器》中的一个例子。

The Viking experiments were actually looking for life on Mars that'd be the same as on Earth.

维京人的实验实际上是在火星上寻找和地球上一样的生命。

Now, I know that life on Mars will be difficult. But life here on Earth is no picnic.

我知道火星上的生活将无比艰难，但地球上的日子也不像野餐那么好玩。