Scientists studying Jupiter’s moon Europa have zeroed in on a strange, spider-like feature etched into the moon’s icy shell, ...

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush. When you purchase through links on our site, we may ...

The following is an excerpt from First Contact: The Story of Our Obsession with Aliens, by Becky Ferreira. When you purchase products through the Bookshop.org link on this page, Science Friday earns a ...