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extraterrestrial life

Close-up of water swirling among rocks at the sea’s edge.
microbiology

Inside Deep Undersea Rocks, Life Thrives Without the Sun

May 13, 2020

Newly discovered worlds of microbes far beneath the ocean floor, inside old basaltic rocks, could point to a greater likelihood of life elsewhere in the universe.

Art for "Galaxy Simulations Offer a New Solution to the Fermi Paradox "
Abstractions blog

Galaxy Simulations Offer a New Solution to the Fermi Paradox

March 7, 2019

Astronomers claim in a new paper that star motions should make it easy for civilizations to spread across the galaxy, but still we might find ourselves alone.

Victoria Meadows in her garden with her cockatoo.
Thinking Places

Victoria Meadows’ Earthly Visions of Alien Life

June 5, 2018

A living, breathing garden in Seattle serves as the perfect backdrop to an astrobiologist’s search for life on faraway planets.

astrobiology

Scientists Debate Signatures of Alien Life

February 2, 2016

Searching for signs of life on faraway planets, astrobiologists must decide which telltale biosignature gases to target.