New type of supernova detected as stellar corpse kills companion star

Astronomers have spotted a new type of supernova for the very first time. An unlucky star seems to have prematurely exploded after colliding with an extremely dense object, perhaps a black hole or a neutron star, creating a unique signature in the sky…. Continue reading New type of supernova detected as stellar corpse kills companion star→

Multicolored radio rules out more suspects in fast radio burst mystery

Fast radio bursts (FRBs) are among the most intriguing cosmic mysteries of our time, and now we might be one step closer to an answer for what creates them. By examining multiple “radio colors” simultaneously in a batch of repeating signals, astronomer… Continue reading Multicolored radio rules out more suspects in fast radio burst mystery→

Event Horizon Telescope snaps close-up of supermassive black hole jets

Astronomers have taken a close-up image of a radio jet emitted by a supermassive black hole for the first time. The Event Horizon Telescope (EHT) has zoomed in on this jet with 16 times the resolution and at 10 times higher frequencies than previous ob… Continue reading Event Horizon Telescope snaps close-up of supermassive black hole jets→

New Video Series: Learning Antenna Basics with Karen Rucker

We don’t normally embrace the supernatural here at Hackaday, but when the topic turns to the radio frequency world, Arthur C. Clarke’s maxim about sufficiently advanced technology being akin to …read more Continue reading New Video Series: Learning Antenna Basics with Karen Rucker→