As humans began to explore outer space in the latter half of the 20th century, radio waves proved a powerful tool[1]. Scientists could send out radio waves to communicate with satellites, rockets and other spacecraft, and use radio telescopes to take in
How flowers, trees and other botanical motifs honor those buried beneath
If you visit a cemetery, look closely and you’ll likely notice many flowering plants – adorning the graves, or maybe even carved into headstones.
As a horticulture Extension specialist[1] and frequent geocacher, I often visit cemeteries in urban and
What is DNS? A computer engineer explains this foundational piece of the web – and why it’s the internet’s Achilles’ heel
When millions of people suddenly couldn’t load familiar websites and apps during the Amazon Web Services, or AWS, outage[1] on Oct. 20, 2025, the affected servers weren’t actually down. The problem was more fundamental – their names couldn’t be found.
What archaeology tells us about living and working in space
The International Space Station is one of the most remarkable achievements of the modern age. It is the largest, most complex, most expensive and most durable spacecraft ever built.
Its first modules were launched in 1998[1]. The first crew to live on the
A sensational archaeological hoax made science front-page news in 1920s France
In early November 1927, the front pages of newspapers all over France featured photographs not of the usual politicians, aviators or sporting events, but of a group of archaeologists engaged in excavation. The slow, painstaking work of archaeology was rarely
Solar storms have influenced our history – an environmental historian explains how they could also threaten our future
In May 2024, part of the Sun exploded[1].
The Sun is an immense ball of superheated gas[2] called plasma. Because the plasma is conductive, magnetic fields loop out of the solar surface. Since different parts of the surface rotate at different speeds, the
Pumpkins’ journey from ancient food staple to spicy fall obsession spans thousands of years
October in much of the U.S. brings cooler weather, vibrant fall colors and, of course, pumpkin-spiced everything. This is peak pumpkin season, with most of the American pumpkin crop harvested[1] in October.
With the pumpkin spice craze fully underway, I find