Articles by Dan Falk

DESI will analyze light collected by the four-meter Mayall telescope at Kitt Peak National Observatory near Tucson, Arizona.

New Project Aims to Create Most Detailed 3-D Map of the Universe

An instrument named “DESI” will chart up to 40 million galaxies, ten times more than any previous survey

So far, scientists have only documented jagged lightning bolts. Some physicists believe that the discovery of a completely straight lightning bolt could prove the existence of dark matter.

Could Weirdly Straight Bolts of Lightning Be a Sign of Dark Matter?

A group of scientists say the phenomenon could indicate dark matter speeding through our world at more than 300 miles a second

Albert Einstein arrived in New York on the SS Rotterdam IV; crowds of people awaited his arrival in the States.

One Hundred Years Ago, Einstein Was Given a Hero's Welcome by America's Jews

The German physicist toured the nation as a fundraiser for Zionist causes, even though he was personally torn on the topic of a Jewish nation

A statue of Charles Darwin sits in the Natural History Museum in London. The scientist's book 'Descent of Man' was published in 1871.

How Darwin's 'Descent of Man' Holds Up 150 Years After Publication

Questions still swirl around the author’s theories about sexual selection and the evolution of minds and morals

A student tries to solve a math problem.

What Is Math?

A teenager asked that age-old question on TikTok, creating a viral backlash, and then, a thoughtful scientific debate

Herbert Spencer introduced the phrase "survival of the fittest" in his 1864 book, Principles of Biology.

The Complicated Legacy of Herbert Spencer, the Man Who Coined 'Survival of the Fittest'

Spencer's ideas laid the groundwork for social Darwinism, but scholars say there was much more to the Victorian Age thinker than that

Charles Darwin, left, and his conservative publisher, John Murray III, right.

Charles Darwin's Publisher Didn't Believe in Evolution, but Sold His Revolutionary Book Anyway

The famed naturalist and conservative stalwart John Murray III formed an unlikely alliance in popularizing a radical idea

After two eclipse expeditions confirmed Einstein's theory of general relativity, the scientist became an international celebrity.

One Hundred Years Ago, Einstein's Theory of General Relativity Baffled the Press and the Public

Few people claimed to fully understand it, but the esoteric theory still managed to spark the public's imagination

loading icon