Tag
#dark-energy
2 articles
Astronomy & Cosmology
Dark Energy: Why the Universe Speeds Up
Dark energy makes up about 68% of the universe and drives its accelerating expansion — a pressure of space itself, opposite in effect to gravitating dark matter.
10 minAug 25, 2026
Astronomy & Cosmology
The Expanding Universe
Distant galaxies recede faster the farther they are, yet there is no centre and no edge. Run the picture backward and you arrive at a hot dense beginning whose afterglow still fills the sky at 2.725 K.
10 minJul 19, 2026