If there are cracks in Einstein’s theory, this is how to find them. Is Einstein’s most powerful theory, General Relativity, always correct? Or will there come a point where it breaks […]
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The Universe’s idea of a ‘typical star’ has changed dramatically over time. When you look out at the Universe today, you’re not seeing it exactly as it is at one particular […]
Think there are habitable super-Earths out there? Think again. Here in our Solar System, we have two very distinct types of planets: small, terrestrial, rocky worlds, with thin (or no) atmospheres […]
One look at the uncertainties and the assumptions changes the story tremendously. Is there intelligent life out there in the Milky Way beyond our own Solar System? If so, how […]
Learn how to get the best views no matter where you are. Every year, no matter what else is occurring on Earth or in the heavens, you can rely on two […]
A recent survey also found that political messaging from the pulpit increased the likelihood of believing presidents to be ordained by God.
One of NASA’s original great observatories, Spitzer showed us the infrared Universe as never before. On January 30, 2020, NASA’s Spitzer Space Telescope was retired after a 17 year mission. Prior […]
After the Big Bang, merging supermassive black holes are unparalleled. Here’s how we’ll find the first one. Last week, NASA’s Chandra X-ray observatory made history by announcing the most energetic explosive […]
Remember the announcement of a galaxy with no dark matter? It’s just been re-examined, with astounding results. In theory, all galaxies should contain copious amounts of dark matter, with one […]
When you look at the Universe in an entirely new way, you sometimes find what you could never have anticipated. Almost exactly one year ago today, the Event Horizon Telescope […]
Dark matter is perhaps the most mysterious substance in the Universe. What exactly it is, however, still eludes us. Dark matter is one of the most mysterious and yet most ubiquitous […]
Hubble has been operational for nearly 30 years, and still produces the most spectacular images of all. Here are this year’s best. Hubble, astronomy’s revolutionary observatory, narrowly survived last year’s gyroscope […]
From talking about Schrödinger's cat to nuking the South Pole, this decades-old interview shows why Kaku was born to be a science educator.
A federal court ruled that the state of Kentucky was wrong to deny a man's request for a personalized license plate reading "IM GOD." Here's why that's a win against atheist discrimination.
Discovered by NASA’s Chandra X-ray observatory, it’s powered by a supermassive black hole. 2019 marks 20 years of NASA’s Chandra, humanity’s most powerful X-ray observatory. Artist illustration of the Chandra X-ray […]
Increasing numbers of seniors need help with basic tasks. It doesn't have to be that way.
When stars get ejected from galaxies within massive clusters, they go where the dark matter is. Dark matter is one of the greatest mysteries in the Universe, displaying its effects in […]
It’s perhaps the most famous thought experiment in all of physics, but is full of popular myths and misconceptions. One of the most bizarre ideas about the quantum Universe is […]
Is that required for detectors like LIGO and Virgo to work? Whenever any two things in the Universe interact at the same location in spacetime, one thing always remains true about […]
The theoretical reasons to expect it are compelling, but the technology required to detect it is unfathomable. All throughout our galaxy, millions of black holes of a variety of masses […]
They seem to have a mechanism for caring similar to ours.
It’s a great scientific opportunity of modern times, but we won’t get there with our current observatories. One of the holy grails of modern science is to find a world, […]
The Leonid meteor shower peaks today. Its parent comet taught us where meteor showers come from. Every year, as Earth regularly orbits the Sun, meteor showers repeatedly recur. While August’s Perseids […]
If they saw us as we were before the recent industrial revolution, would there be any reason to particularly care about us? All across the Universe, trillions of galaxies can be […]
The light we observe isn’t the same as the light that gets emitted. Here’s what causes it. The light you see, when you look out at the stars and galaxies that […]
Finding the Higgs boson, gravitational waves, and imaging a black hole’s event horizon were huge. There’s even more to the story. From a scientific point of view, the 2010s have been […]
Why does time flow in one direction? Why do humans perceive time so differently than it really is? Is there really a difference between the present, the past, and the future? These books explore these questions and more.
First of a 3-part series about future technologies and their role in human flourishing.
A new study finds that societies use the same acoustic features for the same types of songs, suggesting universal cognitive mechanisms underpinning world music.