Space

The ‘Devil Comet’ 12P/Pons-Brooks Has Finally Become Visible From Australia

If you’re a fan of all things space, you’ve doubtless heard about the “devil comet,” which has captivated keen-eyed observers in the northern hemisphere for the past few weeks. Now it’s our turn, as comet 12P/Pons-Brooks is creeping into view for the southern hemisphere. Before you get too excited, let me quash your hopes. Comet ...

Troy Oakes

The 'devil comet' moving through the night sky.

We Saw One of the Most Powerful Magnets in the Universe Come to Life

After a decade of silence, one of the most powerful magnets in the universe suddenly burst back to life in late 2018. The reawakening of this “magnetar,” a city-sized star named XTE J1810-197, born from a supernova explosion, was an incredibly violent affair. The snapping and untwisting of the tangled magnetic field released enormous amounts ...

Troy Oakes

A magnetar.

Planet Cannibalism is Common, Says Cosmic ‘Twin Study’

How stable are planetary systems? Will Earth and its seven siblings always continue in their steady celestial paths, or might we one day be randomly ejected from our cosmic home? Physicists understand the rules that govern the orbits of two celestial bodies, but as soon as a third is added (let alone a fourth, fifth, ...

Troy Oakes

Planet cannibalism.