Astronomers estimate there could be a trillion planets in our galaxy, yet no confirmed signs of alien civilizations. The talk explores why advanced life might be far rarer than expected. It breaks the ...

Scientists are sharpening the methods used to search for alien artifacts inside our own solar system, drawing on recent ...

If a Galactic Internet is out there, we may be like fish swimming through the ocean, unaware of the undersea cables carrying vast streams of information around us. The data may be flowing right past ...

When you look back at ’90s and 2000s sci-fi, it’s amazing how one movie with a giant stone ring changed virtually everything. Stargate began in 1994 as a single big-screen adventure starring Kurt ...

Our universe does host life, but another one might be even better suited for life. Here’s what you’ll learn when you read this story: Researchers are studying how hospitable our universe is to ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent might they resemble or represent ordinary humans?

Star Wars has space wizards, laser swords, galaxy-spanning wars, and the most advanced civilizations imaginable.It also has a guy named Therm Scissorpunch.For a franchise that invented entire ...

A recent study suggests that late M-stars, despite their abundance in the galaxy and potential for hosting detectable Earth-like planets, are unlikely to support the emergence of complex animal life.

Carole Haswell receives funding from STFC. We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of these is whether Earth is the ...

For 21 years, between 1999 and 2020, millions of people worldwide loaned UC Berkeley scientists their computers to search for signs of advanced civilizations in our galaxy. The project—called ...

Professor of Earth, Environmental, and Planetary Sciences, University of Tennessee If you’ve seen illustrations or models of the solar system, maybe you noticed that all the planets orbit the Sun in ...