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General Physics May 6, 2022

What is the multiverse, and does it really exist?

Whether you need a new villain or an old Spider-Man, your sci-fi movie will sound more scientifically respectable if you use the word "multiverse." The Marvel multiverse puts different versions of our universe "out there," ...

Astronomy Feb 7, 2022

Is the 'fine-tuned universe' an illusion?

For decades physicists have been perplexed about why our cosmos appears to have been precisely tuned to foster intelligent life. It is widely thought that if the values of certain physical parameters, such as the masses ...

General Physics Jan 13, 2022

Crunching multiverse to solve two physics puzzles at once

The discovery of the Higgs boson was a landmark in the history of physics. It explained something fundamental: how elementary particles that have mass get their masses. But it also marked something no less fundamental: the ...

General Physics Dec 6, 2021

Study explores phase transitions in a confining dark sector using QCD simulations

Researchers at Massachusetts Institute of Technology, Hebrew University of Jerusalem, and Ohio state University recently carried out a study examining the possible effects of a first-order phase transition in a confining ...

Astrobiology Nov 3, 2021

Is the universe fine-tuned for life?

For decades, various physicists have theorized that even the slightest changes in the fundamental laws of nature would make it impossible for life to exist. This idea, also known as the "fine-tuned universe" argument, suggests ...

Environment Aug 19, 2021

Can virtual reality save the planet?

On Aug. 9, the U.N. released a dire climate report, the first since 2018, that warned of accelerated warming of the planet and splashed code red alert headlines across the world. To bring the Earth back from the brink will ...

Social Sciences Jun 15, 2021

Malicious content exploits pathways between platforms to thrive online, subvert moderation

Malicious COVID-19 online content—including racist content, disinformation and misinformation—thrives and spreads online by bypassing the moderation efforts of individual social media platforms, according to new research ...

Astronomy Feb 6, 2021

Harvard astronomer argues that alien vessel paid us a visit

Discovering there's intelligent life beyond our planet could be the most transformative event in human history— but what if scientists decided to collectively ignore evidence suggesting it already happened?

Astronomy Dec 28, 2020

Primordial black holes and the search for dark matter from the multiverse

The Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU) is home to many interdisciplinary projects which benefit from the synergy of a wide range of expertise available at the institute. One such ...

Astronomy Jun 30, 2020

Explainer: A theoretical cosmologist describes how large black holes really are, and the 'point of no return'

Black holes are among the most fascinating phenomena of outer space, and we're learning more about them all the time. Just last week, a group of astronomers published a paper documenting a rare visible collision of black ...

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