Radio

Models of the universe predict that supernova remnants should be far more common than they are. Now, a new image from sensitive radio telescopes reveal that the missing remnants are hiding in plain sight.

The intriguing cosmic mystery of fast radio bursts (FRBs) has now shed light (pun intended) on another mystery. By studying the signature of an FRB from a nearby galaxy, astronomers have found that the Milky Way has far less matter than expected.

A highly sensitive, next-generation radio observatory has started to come to life, with construction now officially underway on the Square Kilometre Array (SKA), a dual-site science facility located in Australia and South Africa.

A new instrument integrated into the Southern Hemisphere’s largest radio telescope has given it the capabilities to detect technosignatures of extraterrestrial intelligence, significantly widening the net for scientists in search of alien life.

GPS has its limitations in urban areas where signals can get noisy. Now, engineers in the Netherlands have developed “SuperGPS” – a hybrid positioning system that combines wireless and optical connections to pinpoint locations within centimeters.

Black holes chow down on stars that wander too close, producing a bright stellar show. But now a black hole has done something nobody’s ever seen before – it “burped up” material several years after eating a star, leaving astronomers baffled.

Researchers at NIST have shown that a cloud of atoms can be used as a receiver to pick up video transmissions. The team demonstrated this “Atomic Television” by transmitting live video feed and even video games through the atoms to a monitor.

Astronomers have detected an extremely strange radio signal from a distant galaxy that pulses with a heartbeat-like rhythm. This signal lasted about 1,000 times longer than other fast radio bursts, and had a clear periodic pattern to its pulses.

Astronomers have discovered a strange neutron star that challenges our understanding of them – but may help unlock the mystery of fast radio bursts. The object spins far slower than any known neutron star, and gives off seven types of radio pulses.

Astronomers have discovered what may be the brightest pulsar in the sky. Despite its intense light the pulsar has long evaded detection, and was only revealed thanks to a telescope equipped with some cosmic “sunglasses.”

A strange star just got even stranger. In the midst of its death throes, the star V Hya has been belching out a series of rings and plumes of materials, in a pattern never before seen from a dying star.

Astronomers may be a step closer to solving a cosmic mystery known as odd radio circles. New images, captured by the MeerKAT radio telescope, are the clearest and most detailed yet taken, narrowing down the list of suspects as to what creates them.