How did we get here? Where are we going? And how long will it take? These questions are as old as humanity itself, and, if they’ve already been asked by other species elsewhere in the Universe, potentially very much older than that. They are also some of the fundamental questions we are trying to answer ...
“Look at this,” says Erica’s message. She is poring over the very first images from the brand-new James Webb Space Telescope (JWST) of galaxies in the distant universe. It is July 2022, barely a week after those first images from the revolutionary super telescope were released. Twenty-five years in the making, a hundred to a ...
A lot of our notions about space are based on the concept of gravity, or more accurately our current understanding of it. Our understanding of gravity until the late 1990s was that gravity attracts things, holds things together, and in a way, stabilizes the universe as a whole. It was in 1998 that scientists stumbled ...
The Earth, the solar system, the entire Milky Way, and the few thousand galaxies closest to us move in a vast “bubble” that is 250 million light-years in diameter. Here, the average density of matter is half as large as for the rest of the universe. This is the hypothesis put forward by a theoretical ...
An international team of astronomers led by scientists at the University of California, Riverside, has found an unusual monster galaxy that existed about 12 billion years ago when the universe was only 1.8 billion years old. Dubbed XMM-2599, the galaxy formed stars at a high rate and then died. Why it suddenly stopped forming stars is ...
For the first time, researchers from Bonn University and Strasbourg University have simulated the formation of galaxies in a universe that works without dark matter. Instead, they modified Newton’s laws of gravity to simulate this process on the computer. A galaxy that is created with computer calculations is similar to those that we actually see today ...
A team of Clemson University astrophysicists has added a novel approach to quantifying one of the most fundamental laws of the universe wielding state-of-the-art technologies and techniques. In a paper published in The Astrophysical Journal, Clemson scientists Marco Ajello, Abhishek Desai, Lea Marcotulli, and Dieter Hartmann have collaborated with six other scientists around the world ...
In 2015, the Laser Interferometer Gravitational-Wave Observatory (LIGO) made history when it detected gravitational waves for the first time, something that Albert Einstein had proposed almost a hundred years ago. Now, it is getting a significant upgrade that will improve the instrument’s sensitivity to gravitational waves. Funds for LIGO upgrade In total, the LIGO project will receive ...
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