We're Probably Living in a Simulation, Elon Musk Says

We're all probably trapped in a "Matrix"-like pseudoexistence, SpaceX chief Elon Musk said early Friday (Sept. 7) during a long, wide-ranging and very entertaining appearance on comedian Joe Rogan's podcast.

A Bright Green Comet Will Grace September's Skies

September brings a chance to see a comet. It will be bright enough that you can readily glimpse it using binoculars, though it will be much easier to see using just a small telescope.

Jupiter's Weird Magnetic Field Gets Even Weirder

NASA's Juno spacecraft has mapped the powerful magnetic field at Jupiter, revealing a surprising asymmetry between the northern and southern hemispheres that could lend insight into what's going on within the gas giant.