UWA’s rooftop observatory. Credit: ICRAR Scientists from the International Centre for Radio Astronomy Research (ICRAR) and The University of Western Australia (UWA) have set a world record for the most stable transmission of a laser signal through the atmosphere. In a study published today in the journal Nature Communications, Australian […]

Credit: ESA/Hubble & NASA, S. Allam et al. This NASA/ESA Hubble Space Telescope image features the galaxy LRG-3-817, also known as SDSS J090122.37+181432.3. The galaxy, its image distorted by the effects of gravitational lensing, appears as a long arc to the left of the central galaxy cluster. Gravitational lensing occurs when a large […]

Still from an animation of the inspiral of a binary black hole with a 128:1 mass ratio showing the beginning of the final burst of gravitational waves. Credit: Carlos Lousto, James Healy, RIT Final Dance of Unequal Black Hole Partners Rochester Institute of Technology scientists perform first-ever simulation of large […]

Credit: NASA/CXC/M. Weiss What do Albert Einstein, the Global Positioning System (GPS), and a pair of stars 200,000 trillion miles from Earth have in common? The answer is an effect from Einstein’s General Theory of Relativity called the “gravitational redshift,” where light is shifted to redder colors because of gravity. […]

Three color image showing results of an M87 simulation, red shows emission at long radio wavelengths, blue shows emission at 1.3mm (the wavelength the EHT uses), and green shows emission at 0.87 mm wavelengths. Credit: Lia Medeiros, IAS, BH PIRE If a picture is worth a thousand words, what might […]

Tokyo Skytree is a broadcasting and observation tower in Sumida, Tokyo. It is the tallest tower in the world, reaching a height of 634 meters (2,080 ft). In another verification of the validity of Einstein’s theory of general relativity, published in Nature Photonics, scientists from the RIKEN Center for Advanced […]