Rethinking where life could exist beyond Earth

Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet should be neither too hot nor too cold for liquid water. A new study argues that this ring is too strict: ...

Q&A: How AI changes NASA's search for life in outer space

Alicja Ostrowska's doctoral thesis "Life and AI at NASA" examines how artificial intelligence is transforming the way science is conducted within some of the world's most ambitious space projects. The study investigates how ...

The alien hunter's shopping list

We recently discussed the different types of worlds that the Habitable Worlds Observatory (HWO) is expected to find that might have noticeable biosignatures. However, no matter how good the instrumentation on board the observatory ...

Searching for 'green oceans' and 'purple Earths'

The early stage of giant telescope development involves a lot of horse-trading to try to appease all the different stakeholders that are hoping to get what they want out of the project, but also to try to appease the financial ...

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