We have only one example of biology forming in the universe – life on Earth. But what if life can form in other ways? How do you look for alien life when you don’t know what alien life might look like ...

A genomic atlas of Nematostella vectensis reveals how primitive animals created multiple cell types millions of years ago, ...

Sponges are among Earth's most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic ...

Over the course of nearly five months in 2022, NASA's Perseverance rover collected rock samples from Mars that could rewrite the history of water on the red planet and even contain evidence for past ...

Like many of us, Earth bears old pockmarks. Our planet’s crust has a band of ancient craters that formed around 465 million years ago. The divots were created at a time when animals in the seas were ...

Chris Impey receives funding from the National Science Foundation and the Howard Hughes Medical Institute. We have only one example of biology forming in the universe – life on Earth. But what if life ...

The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many complex processes working at once, according to new research. The cool ...

We have only one example of biology forming in the universe — life on Earth. But what if life can form in other ways? How do you look for alien life when you don’t know what alien life might look like ...

The illustration shows a cutaway revealing the interior of early Earth with a hot, melted layer above the boundary between the core and mantle. Scientists think some material from the core leaked into ...