You might be inclined to modify gravity instead, but those ideas have grossly unequal evidence supporting them. What is it, exactly, that you’re supposed to do when the predictions of […]
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It wasn’t the birth of space and time. But it was truly essential to our cosmic story. For more than 50 years, we’ve had definitive scientific evidence that our Universe, as […]
The dream of an ‘Earth-like’ planet showcases our astrobiological ignorance. Over the past decade, our understanding of what planets exist around stars other than our own has exploded. The number […]
Astronomers propose a new location for the mysterious force that accelerates the universe.
A Mars Space Flight team member warns that people need to be prepared for what’s coming.
Out of all the galaxies we know, only a few little ones are missing dark matter. At last, we finally understand why.
A gigantic star makes off during an eight-year gap in observations.
If you want to understand what the Universe is, how it began, evolved, and will eventually end, astrophysics is the only way to go.
After a wait of 397 years in orbit, we’re finally getting a truly ‘Great’ Conjunction. Recently, December 21, 2020, Jupiter and Saturn finally met. Looking towards the southwest skies from […]
Awe makes us feel smaller but also more connected to life and each other.
Some intriguing examples of people grooming the land for the unseen observer above.
The ten greatest ideas in science form the bedrock of modern biology, chemistry, and physics. Everyone should be familiar with them.
Telescopes from the ground are bigger, but have to fight the atmosphere. Here’s how to win. In astronomy, seeing farther and fainter than ever before requires three simultaneous approaches. First light, […]
We’ve come fantastically far in our understanding of the distant Universe. Here’s how we’ll go even farther. Sometime in 2021, NASA’s James Webb Space Telescope will launch, deploy, and begin science […]
There’s a lot left to understand, ponder, and investigate. And there always will be. For hundreds of thousands of years — nearly all of human history — we had no definitive answers to some of […]
A black woman most have never heard of made GPS possible. Over the span of a single lifetime, the world has changed in ways that would have been virtually unimaginable […]
And can scientists even agree on what ‘nothing’ means? The more curious we get about the great cosmic unknowns, the more unanswered questions our investigations of the Universe will reveal. […]
An ongoing experiment aboard the International Space Station aims to find out more about the fundamentals of combustion.
A leading British space scientist thinks there is life under the ice sheets of Europa.
Even before the Big Bang, energetic radiation was always present. When it comes to the physical Universe, the notion of “nothing” may truly be possible only in theory, not in […]
Researchers detect a large lake and several ponds deep under the ice of the Martian South Pole.
A new study looks at what would happen to human language on a long journey to other star systems.
The center of the galaxy is mostly obscure in visible light. But thanks to the world’s most powerful infrared telescope, we can see inside. Throughout history, the sight of the Milky […]
The NICER experiment, designed to measure neutron stars as never before, just released their first pulsar map, and it’s amazing. After typical supernovae, remnant collapsed cores of matter are left behind. […]
Don’t miss the summer’s greatest natural sights of all. Some of the natural highlights of our night sky are easy to overlook. Every year, you’ll hear about some of the brightest, […]
The Eagle Nebula, complete with the Pillars of Creation, tells a mini-version of the story of how all the Universe’s stars formed. The Eagle Nebula, found 7,000 light-years away, demonstrates how […]
If you were awaiting screaming death from the skies, you can relax. For now.
A decade ago, we didn’t know if dwarf galaxies had black holes. Today, half of the ones we see aren’t where we expected. Normally, galaxies have supermassive black holes millions […]
Everything is being driven apart. But there’s hope of reaching what’s currently so far away. For the first 7.8 billion years, the Universe unfolded exactly as scientists would have expected in […]
Just because something’s unlikely doesn’t mean that anything’s wrong. In our quest to understand the Universe, theoretical physics is perhaps the most powerful tool we have as far as making […]