Astronomers Just Nailed Down the Universe’s Expansion Rate… and Now They Have More Questions
One major, unsolved problem in astronomy involves the Hubble constant, a number representing how quickly the universe expands.…
We thought we knew the shape of the universe. We were wrong
Cosmologists have an embarrassing problem: we don’t know what shape the universe is. The cosmos has three possible…
Ancient Milky Way stars challenge the age of the universe and the Hubble tension
The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments.…
You saw remnants of Big Bang as TV static happened, and you didn’t even know
Do you remember the white noise that came on television channels when no station was available? It apparently…
New Research Throws the Ultimate Fate of the Universe Into Question
After the Big Bang, our universe began to expand at an exponential rate, an acceleration scientists have long…
The observable universe is just 5% of reality, 95% remains invisible!
Ordinary matter, also called baryonic matter, consists of protons, neutrons, and electrons. This is the material that emits…