Gravity gets weaker as the distance squared. But gravitational waves only get weaker as the distance. Why? One of the things we often just accept about the world is that […]
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Before we formed stars, atoms, elements, or even got rid of our antimatter, the Big Bang made neutrinos. And we found them. The idea of the Big Bang has captivated the […]
There are millions of asteroids in the solar system. A new study might tell us where they came from.
Finding the ingredients for life is a very different prospect than finding the products of life. Perhaps the greatest quest in science today is to find life that originated beyond Earth. […]
It would be disappointing and surprising if Earth were the only template for habitability in the Universe.
The result validate Einstein on a whole new scale, and pose serious problems for alternative, modified theories of gravity. In 1915, Albert Einstein put forth a new theory of gravity: General […]
When it comes to flirting, love meters have nothing on these researchers’ findings.
The most unusual star known has finally had its dimming scientifically explained. Here’s the unusual, dusty resolution. The science of planet-hunting has truly taken off in the 21st century, with […]
New research on the hypothalamus shows that body heat matters.
Dark energy is pushing distant galaxies apart from one another at an increasing rate. If the Big Rip hypothesis is true, things will only get worse from here. One of the […]
NASA’s Chandra X-ray observatory has shown us the Universe like nothing else ever before. When it comes to the Universe, it mainly generates X-rays through high-temperature heating. X-rays from Chandra reveal […]
A rare, ultra-diffuse galaxy is full of stars and not much else. Here’s how to make sense of it. One of the greatest puzzles in the entire Universe is the dark […]
South Africa is no longer the only place on the continent that has urban wealth clusters
LIGO, here on Earth, has exquisitely-precise distances its lasers travel. With three spacecrafts in motion, how could LISA work? Since it began operating in 2015, advanced LIGO has ushered in an […]
A little peek into our past reveals tantalizing details.
In the search for the youngest planet in the Universe, astronomers may have accidentally stumbled upon something entirely new. Growing up is hard to do in the Universe. In the great […]
All of this has happened before… but not like this! As the year draws to a close, we approach a very special time of year, at least from an astronomical perspective. […]
Are we standing on the brink of Mutually Assured Destruction?
When we place the known objects in the Solar System in order, four inner, rocky worlds and four, outer, giant worlds stand out. Traditionally, these were defined as planets. Will […]
At ground zero, Trinitite, the green, glassy substance found in the area, is still radioactive and must not be picked up. The Trinity Site was where the first atomic bomb […]
Elegance, beauty, and mathematical precision makes for a compelling story and an exquisite model. But it doesn’t make it right. Scientific theories, at their best, are simple, straightforward, full of predictive […]
Traveling to Mars is going to be hard. Not going completely bonkers when we’re there may be even harder.
For every planet that orbits a star like our own, there are likely thousands of ‘orphan planets’ wandering the galaxy alone. Here in the Solar System, we can watch our star’s […]
Dark matter is one of the most puzzling, unintuitive concepts in all of physics. But we still need it. Our Universe isn’t like us. While we’re made of atoms, and other […]
The West has been doing well scientifically for a few hundred years now, but it took almost a thousand years for it to catch up to the Middle East. Here are ten of the biggest discoveries the Islamic world got first.
If you think you have problems today, be glad you’re not moving at the speed of light. Special relativity, even though it’s over 100 years old, is still one of the […]
These three reasons are why there’s no getting around the fact that astronomy needs the James Webb Space Telescope. Even the most powerful telescope in history, the Hubble Space Telescope, […]
They were a little optimistic in 1912, but they understood that adding carbon to the atmosphere has side effects.
20 years ago, we discovered that distant galaxies were accelerating away from us. Here’s how the Universe makes it happen. Matter and energy tell spacetime how to curve; curved spacetime tells […]
As of October 1, the U.K. will make it illegal to sell puppies and kittens from third-party sources in a bid to end puppy mills and commercial breeding catteries, eliminate pet-shop sales, and rein in unscrupulous breeders.