Astronomers have detected an astonishing celestial object emitting bright flashes of radio waves and X-rays that last for two minutes and repeat every 44 minutes. In a fresh twist, the discovery marks ...

Astronomers have reported a bumper crop of new gravitational wave detections. The 35 new signals, comprising the third Gravitational-Wave Transient Catalog (GWTC-3), help scientists probe the depths ...

While many objects in the vastness of space shine or radiate with more or less constant intensity, astronomers have come to discover more and more objects that flash, blip, burp, and otherwise appear, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...