Exoplanets

For photon-eating life, smaller stars are unavoidably inferior providers—according to thermodynamics

Questions about living systems on other planets come with some baggage

Stunning new images of young planetary systems create a profound cosmic perspective

The Life, Unbounded column reaches a milestone and reflects on seven years of astrobiology, astrophysics and wonderfully crazy stuff

There's a lot to be learned by exploring pessimistic scientific scenarios

A graphical review of major scientific milestones over the past four decades helps put the search for life into perspective

Astronomers have found more than 3700 worlds outside of our solar system in the past 25 years. How do they find them?

After more than a decade of searching, scientists finally detect the element billowing out of a gas giant

One planet, modified by life, racing into the future. Our species should gear up

Time to bring the search for extraterrestrial technosignatures all the way in from the cold

The time is ripe for getting really serious about other worlds, and other life

Talking to the rest of the universe takes a whole lot of patience