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Tim Ferriss shares a bounty of strategies to help you really and truly overcome procrastination. And if it doesn’t do it for you, hey, at least you just killed 10 minutes.

Many of us look at black holes as cosmic vacuum cleaners: sucking in everything in their vicinity. But it turns out they don’t suck at all.

50 years ago, Stephen Hawking showed that black holes emit radiation and eventually decay away. That fate may now apply to everything.

Achieving values and pursuing growth is the real secret to a fulfilled life.

If you bring too much mass or energy together in one location, you’ll inevitably create a black hole. So why didn’t the Big Bang become one?

The mutual distance between well-separated galaxies increases with time as the Universe expands. What else expands, and what doesn’t?

The evidence that the Universe is expanding is overwhelming. But how? By stretching the existing space, or by creating new space itself?

In general relativity, white holes are just as mathematically plausible as black holes. Black holes are real; what about white holes?

It’s not about particle-antiparticle pairs falling into or escaping from a black hole. A deeper explanation alters our view of reality.

The brilliant mind who discovered the spacetime solution for rotating black holes claims singularities don’t physically exist. Is he right?

From the Big Bang to black holes, singularities are hard to avoid. The math definitely predicts them, but are they truly, physically real?

Legally smoking joints in city centers will require alertness and a keen sense of orientation — two things stoners are not known for.

Nothing can escape from a black hole. So where do Hawking radiation, relativistic jets, and X-ray emissions around black holes come from?

Some 55 million light-years away lies the giant galaxy Messier 87. Its supermassive black hole, inside and out, looks better than ever.

Boys are four times as likely as girls to develop autism. Girls are nearly twice as likely to experience depression. The immune system may be a player in these and other brain-health disparities.

In 1974, Hawking showed that black holes aren’t stable, but emit radiation and decay. Nearly 50 years later, it isn’t just for black holes.

Yes, “the laws of physics break down” at singularities. But something really weird must have happened for black holes to not possess them.

The conservation of energy is one of the most fundamental laws governing our reality. But in the expanding Universe, that’s just not true.

All forms of energy affect the expanding Universe. But if matter and radiation slow the expansion down, how does dark energy speed it up?

What do we mean by a black hole’s size? A photon sphere? The minimal stable orbit? The event horizon? The singularity? Which one is right?

Two very different ideas, wormholes and quantum entanglement, might be fundamentally related. What would “ER = EPR” mean for our Universe?

Since its observation discovery in the 1990s, dark energy has been one of science’s biggest mysteries. Could black holes be the cause?

In general relativity, white holes are just as mathematically plausible as black holes. Black holes are real; what about white holes?

The science fiction dream of a traversable wormhole is no closer to reality, despite a quantum computer’s suggestive simulation.

In 1974, Stephen Hawking showed that even black holes don’t live forever, but emit radiation and eventually evaporate. Here’s how.

Black holes aren’t just the densest masses in the Universe, but they also spin the fastest of all massive objects. Here’s why it must be so.

At all distances, the Universe expands along our line-of-sight. But we can’t measure side-to-side motions; could it be rotating as well?

The sonnenrad is a Heathen symbol composed of 12 repeated runes.

The idea of black holes has been around for over 200 years. Today, we’re seeing them in previously unimaginable ways.

The inside of every black hole leads to the birth of a new Universe. Could our Universe have arisen from one?