A nuclear engineer reacts to Veritasium’s exploration of the universe’s immense scale, breaking down the science, distances, ...

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We live in a golden age for learning about the universe. Our most powerful telescopes have revealed that the cosmos is surprisingly simple on the largest visible scales. Likewise, our most powerful ...

For most of modern cosmology, scientists have worked with a surprisingly simple assumption: the mysterious force driving the universe's accelerating expansion has remained unchanged throughout cosmic ...

New DESI-inspired research suggests dark energy may evolve over time and cross the mysterious "phantom divide," potentially reshaping our understanding of the universe.

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the largest digital camera ever made. High atop Chile’s 2,700-meter Cerro ...

What is the structure of our physical reality? Physicists have long imagined space and time interweaving into “space-time”, the metaphorical fabric that underlies the cosmos. But there may be ...

Our universe appears flat—but this observation still leaves plenty of options for its true shape. In fact, our cosmos could resemble a donut What shape is the universe? This question is far more ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. New hints from one ...

Joel R. Primack, a physicist who helped explain how tiny quantum fluctuations at the birth of the universe led to the formation of galaxies, galactic clusters and even larger structures spanning the ...