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Stories by Mario Livio

Dark Energy: No Answers but More Questions

Why is the expansion of the universe accelerating? After two decades of study the answer is as mysterious as ever, but the questions have become clearer

February 17, 2016 — Adam G. Riess and Mario Livio
If There Are Aliens out There, Where Are They?

If There Are Aliens out There, Where Are They?

Alien life, if it exists, could be as simple as bacteria or more complex than humans—and there are optimal strategies for searching for both

January 6, 2016 — Mario Livio and Joe Silk

Why Math Works

Is math invented or discovered? A leading astrophysicist suggests that the answer to the millennia-old question is both

August 1, 2011 — Mario Livio

Hubble's Top 10

As they wait for the space telescope to be serviced one last time, astronomers reflect on its discoveries over the past 16 years

June 26, 2006 — Mario Livio