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 ...

For every galaxy that's visible from Earth, there are nine smaller ones that we can't see, even with all the technology we've ...

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 ...

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, ...

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 ...

A spectacular view of an exploding star was yesterday released on a new web site launched to mark the Hubble Space Telescope's tenth year in orbit. The multi-coloured fireball, 6500 light years from ...

Two new studies confirm that multiple exploding stars, called supernovae, have showered the Earth with radiation within the last few million years. One study reports traces of radioactive iron-60, a ...

NASA plans to launch a mini satellite into Earth's orbit that could revolutionize astronomy as we know it.