This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...

From early experiments with lanterns to Einstein’s revelations about space and time, the speed of light has proven to be far ...

Earth and the surrounding Milky Way galaxy may be sitting inside a cosmic void—a "mysterious giant hole"—that could be speeding up the universe's expansion in our region compared to others, This is ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than in neighboring regions of the universe, astronomers say. Their theory is a ...

For decades, astronomers have been trying to nail down the value of the Hubble constant—a measure of how fast the universe is expanding. But some cosmologists say there’s evidence that the universe is ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the ...

For over a century, humans have measured the universe with ever-improving tools, driven by a desire to understand where we come from and where we’re going. One of the most important numbers in ...

Alongside Snoop Dogg and Demi Moore, a Chicago professor and astronomist was named one of Time Magazine's 100 Influential People of 2025. Wendy Freedman is a professor of astronomy and astrophysics at ...

Professor Wendy Freedman was awarded the National Medal of Science last month for her work in cosmology and astronomy and her research on the Hubble constant. According to the U.S. National Science ...

In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding? Astronomers have tried two main methods to figure it out, but their numbers don’t ...

Often regarded as a compilation of the world's most visible politicians, artists and cultural figures, this year's "100 Most Influential People" list from TIME Magazine includes a Chicagoan. Wendy ...