What Is the Multiverse? Is It Just Science Fiction, or Does It Really Exist?

Doctor Strange in the Multiverse of Madness. Credit: Marvel Studios Whether you need a new villain or an old Spider-Man, your sci-fi movie will sound more scientifically credible if you use the word multiverse. The Marvel multiverse puts multiple different versions of our universe “out there,” somewhere. In these films, with the right blend of … Read more

The multiverse is huge in pop culture right now – but what is it, and does it really exist?

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. 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”, … Read more

7 ‘Star Wars’ inventions that could exist in real life

A long time ago, in a galaxy far, far away, technology was way cooler than it is in our reality: Commercial spaceships bending space-time to cross galaxies in seconds; autonomous androids capable of translating any language on the fly, or leaving a battlefield in ruin; deadly swords of plasma that fit comfortably under your bathrobe. … Read more

Glowing spider fossils may exist thanks to tiny algae’s goo

The secret ingredient for fossil preservation at a famous French site would not be found in a Julia Child cookbook. It was a sticky goo made by microalgae, researchers suggest. An analysis of roughly 22-million-year-old spider fossils from a fossil-rich rock formation in Aix-en-Provence, France, reveals that the arachnids’ bodies were coated with a tarry … Read more

Life as we know it would not exist without this highly unusual number

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of “Ask a Spaceman” and “Space Radio“and author of”How to Die in Space. “ A seemingly harmless, random number with no units or dimensions has cropped up in so many places in physics and seems to control one of the … Read more

How many nuclear weapons exist?

Since Russia first invaded Ukraine nearly three weeks ago, the threat of nuclear weapon use has risen. This was made clear on Feb. 27, when Russian President Vladimir Putin announced that his country’s nuclear forces had been placed on “high alert,” the Associated Press reported. The current situation, according to the Bulletin of the Atomic … Read more

The closest black hole to Earth doesn’t actually exist

In 2020, a team of astronomers with the European Southern Observatory (ESO) discovered the closest black hole to Earth in the HR 6819 system, just 1,000 light-years away, only to have other scientists dispute the findings. As it turns out, those critics seem to have been correct. In new research, an international team of scientists … Read more

Real shooting stars exist, but they aren’t the streaks you see in a clear night sky

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Idan GinsburgAcademic Faculty in Physics & Astronomy, Georgia State University “I see thy glory like a shooting star.” So says the Earl of Salisbury as he ruminates about the future in Shakespeare’s “Richard II.” Shooting … Read more

“Lucky Find” by Astrophysicists Explains How Galaxies Can Exist Without Dark Matter

In simulations, collisions cause smaller star groupings to lose material. In a new Nature Astronomy study, an international team led by astrophysicists from the University of California, Irvine, and Pomona College report how, when tiny galaxies collide with bigger ones, the bigger galaxies can strip the smaller galaxies of their dark matter – matter that … Read more

Planetary Bodies – Where Water and Life Could Exist – Observed for First Time in Habitable Zone of Dead Star

An artist’s impression of the white dwarf star WD1054–226 orbited by clouds of planetary debris and a major planet in the habitable zone. Credit: Mark A. Garlick / markgarlick.com A ring of planetary debris studded with moon-sized structures has been observed orbiting close to a[{” attribute=””>white dwarf star, hinting at a nearby planet in the … Read more