What's Inside a Neutron Star Shouldn't Exist
Image: NASA/ESA/NRAO/AUI/NSF/G. Dubner (University of Buenos Aires). The Crab Nebula: the expanding remnant of a supernova witnessed in 1054 AD. At its heart spins a...
Journal
Journal
We Thought We'd Found Aliens — It Was a Dead Star Ticking
Image: NASA/CXC/SAO Somewhere in the northern sky, a collapsed star the size of a city is spinning on its axis once every 1.337 seconds. It...
A Lemon-Shaped Planet Orbits a Dead Star — Made of Diamond
A pulsar's gravity squeezes a companion into a lemon. Inside, carbon crystallises into diamond. The strangest planet ever found.