Study finds flat rotation curves of galaxies over vast distances

In a groundbreaking discovery, scientists at Case Western Reserve University have uncovered new evidence that could fundamentally reshape our understanding of the universe. Tobias Mistele, a post-doctoral scholar in the Department of Astronomy at Case Western Reserve’s College of Arts and Sciences, has utilized a novel approach involving “gravitational lensing” to explore the elusive realm … Read more

Entangled photons break rotation sensitivity records

A team of researchers led by Philip Walther at the University of Vienna carried out a pioneering experiment where they measured the effect of the rotation of Earth on quantum entangled photons. The work, published in Science Advances, represents a significant achievement that pushes the boundaries of rotation sensitivity in entanglement-based sensors, potentially setting the … Read more

Cosmology: Studying the Origin and Evolution of the Universe

Cosmology is the scientific study of the large-scale properties of the universe as a whole. It aims to understand the origin, evolution, structure, and eventual fate of the universe. By examining cosmic phenomena such as the Big Bang, cosmic microwave background radiation, dark matter, and dark energy, cosmologists develop theories and models that explain how … Read more

Study provides evidence of Earth’s inner core slowing down

University of Southern California scientists have proven that the Earth’s inner core is backtracking—slowing down—in relation to the planet’s surface, as shown in new research published in Nature. Movement of the inner core has been debated by the scientific community for two decades, with some research indicating that the inner core rotates faster than the … Read more

Theory of Everything

The quest for a Theory of Everything (TOE) is one of the most ambitious scientific endeavors, aiming to unify all fundamental forces and particles in a single, all-encompassing theoretical framework. This grand vision seeks to bridge the gap between the two main pillars of modern physics: General Relativity, which describes the macroscopic world of gravity … Read more

Scientists simulate a hallmark of quantum gravity

In a groundbreaking development at the intersection of quantum mechanics and general relativity, researchers have made significant strides toward unraveling the mysteries of quantum gravity. This work sheds new light on future experiments that hold promise for resolving one of the most fundamental enigmas in modern physics: the reconciliation of Einstein’s theory of gravity with … Read more

Scientists discover fundamental property of photons to aid fusion energy

Both literally and figuratively, light pervades the world. It banishes darkness, conveys telecommunications signals between continents and makes visible the invisible, from faraway galaxies to the smallest bacterium. Light can also help heat the plasma within ring-shaped devices known as tokamaks as scientists worldwide strive to harness the fusion process to generate green electricity. Now, … Read more

Astronomer leads Euclid’s mission to unravel the universe’s expansion

On July 1, 2023, Euclid, a unique European space telescope was launched from Cape Canaveral. The launch was undoubtedly the highlight of my career as an astronomer, but witnessing the result of years of work being put on a rocket is not for the faint of heart. Following a perfect launch, Euclid swiftly arrived to … Read more

Researchers uncover potential discrepancy in gravity at cosmic scales

A group of researchers at the University of Waterloo and the University of British Columbia have uncovered a potential “cosmic glitch” in the fabric of the universe’s gravitational framework, shedding light on the peculiar behavior of gravity on a cosmic scale. Their findings, published in the Journal of Cosmology and Astroparticle Physics, challenge the long-standing … Read more

The Search for Gravitational Lenses

The search for gravitational lenses is a fascinating endeavor in astronomy and cosmology that has revolutionized our understanding of the universe’s structure, composition, and evolution. Gravitational lenses are cosmic phenomena predicted by Einstein’s general theory of relativity, where the gravitational field of massive objects, such as galaxies or galaxy clusters, bends and distorts the paths … Read more

Pulsars: Cosmic Lighthouses

Pulsars are cosmic lighthouses, beacons of intense radiation and magnetic fields that emit beams of light and other forms of electromagnetic radiation as they rotate rapidly. These exotic objects, often referred to as neutron stars, are the remnants of massive stars that have undergone supernova explosions. Pulsars were first discovered in 1967 by astrophysicist Jocelyn … Read more

Gravitational Waves: Ripples in Spacetime

Gravitational waves are ripples in the fabric of spacetime caused by the acceleration of massive objects, such as merging black holes or neutron stars. Predicted by Albert Einstein’s theory of general relativity in 1915, these waves were detected for the first time in 2015, marking a revolutionary breakthrough in astrophysics and opening a new window … Read more

Quantum Mechanics: Mysteries of the Subatomic World

Quantum mechanics is one of the most profound and revolutionary theories in modern physics, unraveling the mysteries of the subatomic world and fundamentally transforming our understanding of matter, energy, and the fundamental forces of nature. Developed in the early 20th century through the works of pioneering physicists such as Max Planck, Albert Einstein, Niels Bohr, … Read more

The Theory of Relativity: Einstein’s Revolutionary Insights

Einstein’s Theory of Relativity revolutionized our understanding of space, time, and gravity. It’s a cornerstone of modern physics, with profound implications for everything from cosmology to the behavior of particles. Einstein’s journey towards the theory of relativity began with his groundbreaking work on the special theory of relativity, published in 1905. Building on the foundational … Read more

Black Holes: Gravity’s Mysterious Endpoints

Black holes are among the most intriguing and enigmatic objects in the universe, representing the mysterious endpoints of gravity’s relentless pull. These cosmic entities, born from the collapse of massive stars or through other astrophysical processes, possess such intense gravitational fields that not even light can escape their grasp. The concept of a black hole … Read more

New evidence of hidden jet lurking at Milky Way’s center

A new image from the Event Horizon Telescope (EHT) collaboration—which includes scientists from the Center for Astrophysics | Harvard & Smithsonian (CfA)— has uncovered strong and organized magnetic fields spiraling from the edge of the supermassive black hole Sagittarius A* (Sgr A*). Seen in polarized light for the first time, this new view of the … Read more

Artificial intelligence analysis of galaxy map refines estimates of dark energy’s properties

A UCL-led research team has used artificial intelligence (AI) techniques to infer the influence and properties of dark energy more precisely from a map of dark and visible matter in the universe covering the last 7 billion years. The study, submitted to the Monthly Notices of the Royal Astronomical Society and available on the arXiv preprint server, was carried … Read more

Luminiferous aether

Luminiferous aether, once proposed as the medium through which light waves propagate, represents a fascinating chapter in the history of physics. Despite being a prominent concept in the 19th century, subsequent scientific advancements have revealed its conceptual limitations and ultimately led to its dismissal. Exploring the origins, development, and eventual demise of the luminiferous aether … Read more

James Webb Space Telescope identifies population of faint red dots as young supermassive black holes

The James Webb Space Telescope has made one of the most unexpected findings within its first year of service: A high number of faint little red dots in the distant universe could change the way we understand the genesis of supermassive black holes. The research, led by Jorryt Matthee, Assistant Professor in astrophysics at the … Read more

First measurement of microscopic gravity could pave way for quantum gravity theory

Scientists are on the brink of unraveling the enigmatic forces governing the universe, as they have made significant strides in measuring gravity at a microscopic level. Understanding gravity at the quantum scale has long eluded scientists, including luminaries like Isaac Newton and Albert Einstein. Einstein’s theory of general relativity couldn’t fully incorporate the quantum nature … Read more