Dark Matter: Scientists tested Newton’s Law across 750 million light-years: Does gravity still work as Newton predicted?
It’s been more than three centuries since Isaac Newton figured out that gravity pulls things together. You’d think,…
In 1933, Bell Labs engineer Karl Jansky followed a faint radio hiss, and this discovery opened the door to radio astronomy |
Karl Jansky tracked radio static with a rotating antenna. Image credit – Wikimedia Simple engineering tasks often lead…
Solving the Black Hole Paradox May Require Seven Dimensions
“Hearst Magazines and Yahoo may earn commission or revenue on some items through these links.” Here’s what you’ll…
Not Even the Largest Cosmic Objects Can Escape Newton and Einstein, Study Finds
Gravity is so weird that it essentially forces cosmologists into subscribing to one of two equally radical conclusions:…
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 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.…
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…
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…