Latest Articles

Two large Martian rocks with circular drill holes and light-colored dust are shown on a sandy, rocky surface. Part of a rover’s equipment, searching for traces of organics or signs of Mars life, is visible at the bottom of the image.

Finding organics on Mars means absolutely nothing for life

The red planet, Mars, may once have been teeming with life, just as Earth is today. Finding "organics" on Mars, however, doesn't mean life.

Ethan Siegel

A dense star field with dark, irregular dust clouds—where cosmic dust come from—obscures parts of the glowing stars in the Milky Way.

Starts With A Bang

Ask Ethan: Where does cosmic dust come from?

Dust is ubiquitous in the modern Universe, appearing in nearly all galaxies. But our cosmos was born dust-free. So where does it originate?

Ethan Siegel

A drawing of a group of people soaring in a plane, embodying cosmism.

High Culture

Cosmism: The 19th-century movement to reach space and immortality

In revolutionary Russia, a group of forward-thinking philosophers offered an alternative to both futurism and communism.

Tim Brinkhof

A man sits on a chair in front of a white backdrop with vibrant, rainbow-colored abstract patterns in the background.

1hr 2mins

Full Interview

Become stronger: Jumpstart your anti-fragile systems

“There's research showing that people who are curious, who ask questions, are not just happier, they're not just more successful, they also live longer.”

Tal Ben-Shahar

The word "liberalism" in white lowercase text is centered on a black background, surrounded by rough red circles drawn with a crayon effect, visually emphasizing the ongoing discourse on liberalism.

Books

Not since WWII has the fight for liberalism been this urgent

In “On Liberalism," Cass Sunstein argues that liberalism can only endure if we reclaim its core commitments and revive its spirit of freedom and hope for the future.

Kevin Dickinson