Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the Sun ...

A nova 3,000 light-years away is due to become visible from Earth. T Coronae Borealis could be visible to the naked eye in the coming weeks. A few tips can help you see this cosmic burst, which will ...

NASA is celebrating the holiday season with photographs of the remnants of a supernova star captured by the James Webb Space Telescope. The star, named Cassiopeia A (Cas A), shines brightly from ...

Astronomers are eagerly anticipating the sight of an exploding star, T Corona Borealis, which will be visible to the naked eye for the first time in 80 years. The phenomenon, also known as T Cor Bor, ...

Imagine being able to view microscopic aspects of a classical nova, a massive stellar explosion on the surface of a white dwarf star, in a laboratory rather than from afar via a telescope. Cosmic ...

Earth sits in a harsh galaxy filled with high-energy particles that can strip atmospheres, scramble DNA, and sterilize worlds ...

Gold, uranium, and other heavy elements on Earth did not form here. They were born in the violent deaths of massive stars and the collisions of neutron stars, traveling across the galaxy before ...

Earth was showered by radioactive debris from supernovae - exploding stars - as recently as 1.7 million years ago, research has shown. A series of stellar blasts are thought to have occurred around ...