The Milky Way Could be Surrounded by 100 Satellite Galaxies
Whatever dark matter is, cosmologists are busy trying to understand the role it plays in the structure of…
Optimizing Diamond as a Quantum Sensor
July 14, 2025• Physics 18, 132 Two independent groups optimize diamond-based quantum sensing by using more than 100…
100 ghost galaxies may be orbiting the Milky Way—and we’re just now uncovering them
The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or…
These mysterious stars could glow forever using dark matter
A new kind of cosmic object could help solve one of the universe’s greatest mysteries: dark matter. Particle…
Earth may lie in a gigantic void that skews our view of the expanding universe
Earth and the entire Milky Way galaxy might be sitting inside an enormous, mysterious void—a giant cosmic hole…
Scientists Unlock Secrets of Matter Under Extreme Conditions
A team of researchers have made progress in understanding how some of the universe’s heaviest particles behave under…
How particle physics will continue after the last collider
Sign up for the Starts With a Bang newsletter Travel the universe with Dr. Ethan Siegel as he…
Gravitational waves reveal most massive black hole merger ever detected — one ‘forbidden’ by current models
Scientists have detected the most massive merger of black holes ever. This titanic collision, “heard” in ripples in…
Celebrated physicist and tireless voice for nuclear disarmament
Prof Ramamurti Rajaraman, a renowned theoretical physicist and Emeritus Professor at Jawaharlal Nehru University (JNU), passed away on…
A clever glass trick fixes the decade-old photonic crystal laser problem
Photonic-crystal surface-emitting laser (PCSEL) is a promising technology that can completely revolutionize what lasers can achieve. Such a…
LIGO-Virgo-KAGRA detect most massive black hole merger to date
image: Infographic on the binary binary black hole merger that produced the GW231123 signal. view more Credit: Simona…
Universe predicted to end in 20 billion years with a ‘Big Crunch’
For centuries, people have looked to the stars, asking how it all began—and how it might end. Now,…