Astronomers may have solved the mystery behind the source of the enigmatic phenomenon called fast radio bursts, powerful blasts of radio waves from far outside the Milky Way Galaxy that last for mere fractions of a second, with a recently-discovered celestial body that is surprisingly close to our homeread more
Comet Atlas may have fizzled as it came ’round the Sun, but its replacement, C/2020 F8—better known as Comet SWAN—has fared better in its approach to the center of the Solar System, and although it is likely to become just bright enough to be visible to the naked eye, skywatchers willread more
Earth had a close brush with a large “city-killer” asteroid on July 25, when a pyramid-sized rock whizzed by at less than one-fifth the distance to the Moon at nearly 25 km per second (15.5 miles per second). While not big enough to be a civilization ender, this asteroid hadread more
We’re all familiar with the concept of parallel realities: universes much like our own, but impossibly out of reach when it comes to communicating with them—or at least so it would seem. A series of experiments has been scheduled to be run this summer to see if a mere handfulread more