Every timekeeping device works via a version of a pendulum — even the atomic clocks that are accurate to nanoseconds.
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We have long thought that Pluto was completely frozen solid, but the discovery of cryovolcanoes challenges that assumption.
When the Universe was first born, the ingredients necessary for life were nowhere to be found. Only our “lucky stars” enabled our existence.
Mansa Musa, perhaps history’s richest man, claims he ascended the throne of Mali after his predecessor sailed west and never came back. Could he have made it to the New World?
There’s an entire Universe out there. So, with all that space, all those planets, and all those chances at life, why do we all live here?
If the past is any guide, things are going to take off quickly.
Nero’s reputation as one of the most malevolent emperors in Roman history might be partly slander.
Science continues to amplify our view of reality.
We haven’t seen a partial eclipse lasting this long since 1440, and won’t again until 2669. North America is perfectly positioned for 2021’s.
Astrophysicist Michelle Thaller explains how a solar storm could wipe out civilization… and what we can do to prevent catastrophe.
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Whether you call it 10 quintillion, 10 million trillion, or 10 billion billion, it’s a 1 followed by 19 zeroes.
Dr. Tyson explains where we might find aliens, why “dark matter” is a misleading term, and why you can blame physics for your favorite team’s loss.
When the Hubble Space Telescope first launched in 1990, there was so much we didn’t know. Here’s how far we’ve come.
Take a closer look before judging a book by its title.
Japanese thought can’t be easily characterized by just a few books — but this essential guide is a great place to start.
From a desert oasis to the Rocky Mountains, being filled with awe makes me a better scientist.
Lord Kelvin is thought to have said there was nothing new to discover in physics. His real view was the opposite.
Even if you or I will never actually visit these distant worlds, we now know they exist. They should fill us with wonder.
The long-standing debate over whether dinosaurs were more like birds or lizards is drawing to a close.
Just by observing the tiny amount of deuterium left over from the Big Bang, we can determine that dark matter and dark energy must exist.
Smoke taint from wildfires is gross, even to wine amateurs.
If you had a clear western horizon, you had your shot at this view! On September 9, 2021, the Moon and Venus nearly overlapped. A simulated view of the post-sunset skies […]
Researchers speculate the famous monument was one of the world’s first solar calendars, possibly inspired by trade with ancient Egyptians.
Most exoplanets have been found around single stars via the transit method. But binary star systems might contain even more of them.
Media provocateurs and conspiracy theorists insist that they’re “just asking questions.” No, they aren’t.
When you combine the Uncertainty Principle with Einstein’s famous equation, you get a mind-blowing result: Particles can come from nothing.
After 15 years of monitoring 68 objects known as millisecond pulsars, we’ve found the Universe’s background gravitational wave signal!
“Isn’t it enough to see that a garden is beautiful without having to believe that there are fairies at the bottom of it too?”