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The holy grail of theoretical physics is to find the long-sought theory of quantum gravity. But what if this theory is as mythical as the ...

There are four fundamental forces - the strong and weak nuclear forces, electromagnetism, and gravity. Except maybe gravity is ...

If we discover how to connect quantum mechanics with general relativity we'll pretty much win physics. There are multiple theories ...

On November 29th, 20% off the whole merch store! https://www.pbsspacetime.com/shop Every good nerd knows that E=mc^2.

From hoverboards to flying cars to cloud cities, anti-gravity is a staple of science fiction and our dream of a less Earth-bound future ...

Black holes are inevitable predictions of general relativity—our best theory of space, time and gravity. But they clash in multiple ...

In 1919, Arthur Eddington led an expedition to observe a total solar eclipse, confirming that light passing near the Sun is deflected ...

There are cosmic events so powerful that they leave permanent marks on the fabric of the universe itself. Imagine two colossal ...

Here's the story we like to tell about the beginning of the universe. Space is expanding evenly everywhere, but if you rewind that ...

What is the deepest level of reality? In this Quanta explainer, Vijay Balasubramanian, a physicist at the University of Pennsylvania, ...

So you've decided to jump into a black hole. Good news: as long as the black hole is big enough you can sail through the event ...

Space seems fundamental. To build a universe, surely you need something to build it on or in. Many, maybe most physicists now ...

It's not too often that a giant of physics threatens to overturn an idea held to be self-evident by generations of physicists. Well, that ...

In a groundbreaking discovery, scientists have unveiled the existence of a gravitational wave background—an omnipresent hum ...

All particles belong to two large groups: fermions like protons and electrons make everything we consider "matter", while bosons ...

Join astrophysicist and novelist Janna Levin on a mind-blowing voyage to the frontiers of black hole science, which is shining new ...

Is space infinitely stretchable? Neil deGrasse Tyson and comedian Chuck Nice explore fan grab bag questions about ...

A visual and musical journey to the edge of our universe, visualizing the fabric of space-time in order to study its dynamics and ...

Warp drives may or may not be possible, but if they are then could a distant alien civilization's warp fields produce gravitational ...

If you track the motion of individual stars in the ultra-dense star cluster at the very center of the Milky Way you'll see that they swing ...