Scientists reveal the hidden forces shaping how gravity works across the Universe
Gravity behaves predictably in your daily life. Drop a ball, and it falls. Planets loop around stars. On…
Astronomers Just Dropped the Largest High-Res 3D Map of the Universe
Since March, scientists have been keeping their eyes peeled as the Dark Energy Spectroscopy Instrument (DESI) started chipping…
Astronomers Say They Finally Found Half the Universe’s Matter. It was Missing In Plain Sight
An artist’s depiction of the halo of hot hydrogen gas surrounding the Milky Way galaxy (center) and two…
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.…
Our local universe’s expansion rate doesn’t add up, astronomers find
A difference of a few kilometers per second might not sound like much. In cosmology, it has become…
Groundbreaking new theory rewrites quantum view of the Big Bang
A Gravity Theory That Could Rewrite the Universe’s First Moments The first fraction of a second after the…
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.…
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…
Observable universe is 93 billion light years wide but what’s beyond it? Here’s what we can’t see…
One of the most important pieces of evidence for this limit is the cosmic microwave background radiation, faint…
Radical New Theory Rewrites the Story of the Earliest Universe
Following the Big Bang, our universe expanded at an exponential rate. According to this theory, known as cosmic…