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Science & Tech
Explore the discoveries that reveal how the world works, alongside the technologies that extend, reshape, and sometimes challenge what’s possible.
Back in 1933, Fritz Zwicky postulated the existence of dark matter. Only 40 years later, with Vera Rubin's work, did we take it seriously.
What's communicable or reachable is different from what's observable and unobservable, and all of that will evolve as the Universe expands.
The idea of grand unification is a tempting one for our Universe, and a fascinating suggestion. But nature won't necessarily cooperate.
1g is our acceleration in Earth's gravity: 9.8m/s². If a spaceship constantly accelerated at that rate, here's how far we could travel.
In this all-new Starts With A Bang podcast episode, find out how stellar streams have the power to reveal the nature of dark matter.
Back in 2004, a supermassive black hole from 10.8 billion years ago was found, weighing in at 66 billion solar masses. How is this possible?
Two types of nanotechnology, metalenses and metamaterials, could soon make Star Trek's long-imagined "cloaking device" a reality.
AI will likely impact everything from the economy to the battlefield, but exactly how remains to be seen.
Max Spero discusses how AI detection has changed, the future of online trust, and why we’re in “a time of norm-building.”
“How could AI fit into a world in which everyone has the ability to have a joyful life? That is the fundamental question that I am interested in answering.”
With people’s educations and careers on the line, can we afford to replace human judgment with blind probability?
The debate gets clearer when you split it into three questions.
The biggest question most often asked about dark matter is whether it exists. But astrophysically, we've long moved on to the next step.
JAXA's Martian Moons eXploration mission has just launched. The origin of Phobos and Deimos are at stake, with samples returning home soon.
The right kind of telescope can get us to our central black hole. But it took something extra to go all the way to seeing its event horizon.
While we now actively listen for aliens, we've never made an intentional long-term broadcast ourselves. What signal should we ideally send?
General relativity is incredibly difficult, both physically and mathematically. But all theorists need to learn it. Here's how to grok it.
In physics, things shouldn't need fine-tuning in order to match reality. Is naturalness a good guide toward an underlying explanation?
The Hubble "constant" isn't actually constant, evolving over both time and space. Will it ever become constant? That depends on dark energy.
Compared to the scale of the cosmos, a single human body might seem insignificant. But there's an entire Universe within each of us, too.