In the quest to understand how and where life might arise in the galaxy, astronomers search for its building blocks.…
Our search for life beyond Earth is still in its infancy. We're focused on Mars and, to a lesser extent,…
If the Universe has adolescent galaxies, they're the ones that formed about 2 to 3 billion years after the Big…
If there's one chemical that causes excitement in the search for biosignatures on other worlds, it's methane. It's not a…
Astrophysicists working with the JWST have found a surprising amount of metal in a galaxy only 350 million years after…
Humans on Mars will need oxygen, and Mars' atmosphere is pretty anemic when it comes to the life-sustaining element. NASA's…
We're inching closer and closer to reliably detecting biosignatures on distant planets. Much of the focus is on determining which…
Saturn's ocean moon, Enceladus, is attracting increasing attention in the search for life in our Solar System. Most of what…
Humans can't seem to interact with the environment at all without fouling it in some way. From plastic bags in…
It might be oxymoronic to say that the more we find out about something, the more mysterious it becomes. But…