There may be an ultraheavy explanation for the mystery surrounding the origins of the highest-energy particles ever observed.

In The Fantastic Four: First Steps, Franklin Richards is born with the Power Cosmic, an unlimited energy source linked to Galactus. Reed and Sue’s exposure to cosmic radiation during conception causes ...

Dive into 25 cosmic mysteries science can't explain, from dark matter to dark energy. Explore the universe's most baffling ...

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A century after their discovery, cosmic rays—particles of extreme energy originating from the far reaches of the ...

The deepest mysteries of the universe often begin with the biggest questions. Few are more puzzling than the birth of supermassive black holes. These giants, weighing millions to billions of times ...

The international collaboration of the Dark Matter Particle Explorer (DAMPE) satellite on Thursday announced its latest findings, reporting for the first time the observation of the charge-dependent ...

For decades, astronomers have believed that dark matter and dark energy make up most of the universe, however, a new study suggests they might not exist at all. Instead, what we perceive as dark ...

Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe’s greatest mysteries. The most widely accepted theory currently suggests ...

Curious how Franklin Richards ended up with one of Marvel's most powerful forces in The Fantastic Four: First Steps? The newborn wields the Power Cosmic, an energy so immense it once sustained ...