Scientists may have finally uncovered the mystery behind ultra-high-energy cosmic rays — the most powerful particles known in ...

Could black holes help explain the origins of high-energy cosmic radiation? The universe is filled with many forms of ...

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 ...

For decades, astronomers have believed that dark matter and dark energy make up most of the universe. However, a new study ...

Since the early 20th century, scientists have gathered compelling evidence that the universe is expanding at an accelerating ...

Galaxy rotation curves have been confounding astronomers for decades. Stars on the peripheries of galaxies rotate faster than visible matter can account for.

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter.

When we gaze up at the night sky, we often marvel at the twinkling stars, distant planets, and expansive galaxies. Yet, beyond the visible spectrum lies a more mysterious aspect of the cosmos—cosmic ...

For centuries, humanity has pondered the ultimate fate of the universe. From theories of infinite expansion to the concept of ...

New research suggests dark matter may be a cosmic illusion caused by evolving natural forces, reshaping our understanding of ...