Universe's Greatest Mysteries

September 9, 2024

Given the vast number of stars in the universe and the probability of habitable planets, why is there no evidence of extraterrestrial life?

The Fermi Paradox

What is the nature of dark matter, the invisible substance that makes up about 85% of the universe's matter?

The Dark Matter Problem

What is dark energy, the mysterious force causing the universe to accelerate in its expansion?

The Dark Energy Problem

How did life on Earth begin from non-living matter?

The Origin of Life

Will the universe continue to expand forever, eventually becoming a cold, dark void? Or will it collapse back in on itself in a "Big Crunch"?

The Ultimate Fate of the Universe