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extraterrestrial life

If We Believe in Dark Matter, Why Not Extraterrestrial Life?

Avi Loeb has a lot of thoughts about aliens and scientific prejudice.

December 11, 2019

The Romantic Venus We Never Knew

Venus used to be as fit for life as Earth.

December 1, 2016

Is Physical Law an Alien Intelligence?

Alien life could be so advanced it becomes indistinguishable from physics.

November 11, 2016

The Surprising Importance of Stratospheric Life

The science of bacteria in the atmosphere is getting its moment in the sun.

May 23, 2016

Spark of Science: Chiara Mingarelli

How stars and UFOs set one astrophysicist on her path.

April 22, 2016

Why Alien Life Will Be Robotic

If life off Earth exists it has probably transitioned to machine intelligence.

October 15, 2015

Is Life Special Just Because It’s Rare?

Vitalism in the age of modern science.

October 8, 2015

Life Beyond the Pale Blue Dot

Our own oasis of life in the cosmos is blue, but will others be?

June 25, 2015

Why Discovering Martians Could Be Disappointing

There are two kinds of extraterrestrial life with very different implications.

June 12, 2015

The Beckoning of the Ice Worlds

We’ve been looking for life on Earth-like planets. Will Europa teach us better?

June 12, 2015

Will ET Drink Water?

The intricate compatibility of water and life on Earth may not extend to other planets.

June 1, 2015