If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Jupiter will be at its most spectacular in 2026 in the early hours of Jan. 10, as it shines above the eastern horizon among ...

"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, ...

Europa has long been the darling of the search for life beyond Earth. The reason is simple: beneath its cracked, icy shell ...