Is There a God? What Does the Evidence Actually Tell Us?
The universe has been expanding for roughly 13.8 billion years from an extremely hot, dense early state. Cosmic expansion, the cosmic microwave background, light-element abundances, and the growth of ...
27 Elo 27min
The Edge of the Observable Universe: What Lies Beyond What We Can Ever See?
The observable universe is about ninety-two to ninety-three billion light-years across, yet the universe itself is approximately thirteen point eight billion years old. That apparent contradiction is ...
20 Elo 24min
What Happened Before the Big Bang?
The Big Bang is often described as the beginning of everything. But the evidence behind modern cosmology tells a more precise story. It shows that the observable universe was once far hotter, denser, ...
13 Elo 22min
Rogue Planets: The Hidden Worlds Drifting Without Stars
Across the Milky Way, planetary-mass objects appear to move without detectable parent stars. Some may be former planets thrown out of young solar systems. Others may have formed more like very small s...
6 Elo 27min
Black Hole Stars: The Impossible Objects That Blur the Line Between Star and Abyss
The James Webb Space Telescope has found compact, unusually red objects in the early universe, some with spectra that point toward rapidly accreting black holes surrounded by dense gas. One candidate,...
30 Heinä 29min
Primordial Black Holes: The Ancient Objects That Could Be Everywhere
Long before the first stars, rare overdense regions in the hot early universe may have collapsed directly into black holes. If some were massive enough to survive Hawking evaporation, they could still...
23 Heinä 27min
The Kardashev Scale: How to Measure Civilizations That Could Control Stars
In twenty twenty-four, Project Hephaistos used Gaia, Two Micron All Sky Survey, and Wide-field Infrared Survey Explorer data to search millions of astronomical sources for stars with unusual infrared ...
15 Heinä 27min
