astronomy

There’s a new object in the solar system headed toward the sun, and it may have come from interstellar space. We only know of two other interstellar objects that have entered into our solar system before, ‘Oumuamua and Comet 2I/Borisov. The nature of ‘Oumuamua is still a matter of debate, and the second was a comet from...

Some planets take the expression “you’re your own worst enemy” to the extreme. At least, that’s what astronomers found when they recently discovered a doomed planet clinging to its parent star so tightly that it’s triggering explosive outbursts and destroying itself....

Ars has previously written admiringly of Pettit’s work, but his latest image deserves additional mention. When I first saw it, I was dazzled by its beauty. But when I looked further into the image, there were just so many amazing details to be found....