Just 20 light-years from the Sun, a strange rogue planet without a star roams the Milky Way. And, according to a study published in The Astrophysical Journal, this strange, nomadic world has a magnetic field that is 4 million times … Read More
Our observable Universe is the region of space that we can see today — all points in space where light has had enough time to reach us if it left at the Big Bang (13.7 billion years ago) or later. … Read More
Advanced Civilizations A Harvard scientist has a fascinating theory about how our Universe was formed: it was created in a laboratory by a higher “class” of lifeform. Avi Loeb, bestselling author and former chair of Harvard’s astronomy department, wrote an … Read More
Galaxies exchange matter with their external environment thanks to galactic winds. For the first time, the MUSE instrument from the Very Large Telescope has mapped the galactic wind that drives these exchanges between galaxies and nebulae. This discovery led to … Read More
It was only 25 years ago, when astronomers discovered that the Universe was expanding at an accelerated rate. Without an obvious cause, the concept of dark energy was introduced. Dark energy exerts a force on the universe and is thought … Read More
Galileo Galilei used glass lenses to build the first telescope capable of studying the night sky in 1609, improving on a Dutch invention. However, mirrors took over soon after Isaac Newton built the first reflecting telescope later that century: today, … Read More