Nikola Tesla and the Tower That Became His ‘Million Dollar Folly’
The eccentric inventor’s dream of a wireless-transmission tower would prove to be his undoing
Voyager 1 Sends Clear Data to NASA for the First Time in Five Months
The farthest spacecraft from Earth had been transmitting nonsense since November, but after an engineering tweak, it finally beamed back a report on its health and status
Is Geothermal Power Heating Up as an Energy Source?
Long confined to regions with volcanic activity, the method of harnessing energy from the Earth promises to become much more versatile thanks to new technologies
A Secretive Experiment Released Salt Crystals Over San Francisco Bay—Could It Help Curb Warming?
The technology could make clouds reflect more sunlight, cooling the Earth below. But even the scientists leading the study say letting go of fossil fuels is a much-preferred response to climate change
A Massive Crane Helping With the Baltimore Bridge Cleanup Was Built to Recover a Sunken Soviet Submarine
The Chesapeake 1000 was used to construct a ship for a top-secret CIA mission in the 1970s
See NASA’s Initial Moon Buggy Concepts, Expected on the Moon by 2030
Three companies are competing to design NASA’s lunar terrain vehicle (LTV) for the agency’s Artemis campaign
Archaeologists Uncover Medieval Castle Hidden Beneath a French Hotel
Excavations revealed a moat, pipes, jewelry, coins and other artifacts amidst the structure’s ruins
Seven of the Worst Bridge Disasters in World History
The collapse of Baltimore’s Francis Scott Key Bridge is shocking—but not unprecedented
Don’t Look Up: Cicadas Produce High-Speed Jets of Urine
The noisy, winged insects produce pee the same way that much larger animals do, according to a new study
Hundreds of Thousands of Salmon Die After Release in Northern California’s Klamath River
The juvenile Chinook salmon likely died from pressure changes as they swam through an old tunnel in the Iron Gate Dam, slated to be removed this year as part of a massive demolition project
This High Schooler Invented an A.I.-Powered Trap That Zaps Invasive Lanternflies
Using solar power, machine learning and her family’s patio umbrella, 18-year-old Selina Zhang created a synthetic tree that lures the destructive species
Can 3D Printing Help Address the Affordable Housing Crisis in the United States?
The construction is faster, cleaner and more affordable, but experts acknowledge some trial and error is needed
Ken Burns Turns His Lens to Leonardo da Vinci
An upcoming two-part documentary will be the filmmaker’s first foray into a non-American subject matter
This Remotely Controlled Robot Will Conduct a Simulated Surgery on the International Space Station
Robot surgeons could treat astronauts on long space missions—but they could also be used on Earth in places where surgeons aren’t present, such as rural areas or war zones
Prototype for Mars Helicopter Will Soon Be on Display at National Air and Space Museum
The surprisingly long-serving Ingenuity ended its historic service after breaking a rotor
Forty Years Ago, the Mac Triggered a Revolution in User Experience
When it was introduced in 1984, Apple’s Macintosh didn’t have any striking technological breakthroughs, but it did make it easier for people to operate a computer
American Moon Mission Suffers Fuel Leak, Has ‘No Chance’ of a Soft Landing
Launched early Monday, the Peregrine spacecraft started losing propellant almost immediately, and the mission, which is carrying NASA scientific instruments, has been derailed
Engineers Design a Vibrating Pill for Weight Loss That Could Create a Feeling of Fullness
The capsule is the size of a multivitamin, and in an experiment with pigs, it appeared to reduce the animals’ appetites
Seven Scientific Discoveries From 2023 That Could Lead to New Inventions
Biologists learned lots about animals and plants this year, and their findings could inspire better robots, medicine and environmental technologies
When a Labyrinth of Pneumatic Tubes Shuttled Mail Beneath the Streets of New York City
Powered by compressed air, the system transported millions of letters between 1897 and 1953
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