Since the 1980s, a strange X-ray emission has puzzled astronomers. At the heart of the Helix Nebula, a dying star may have ...

Exploding stars known as supernovas may have sparked mass extinctions that wiped out up to 85% of animals on Earth. ‘Supernova explosions are some of the most energetic explosions in the Universe’, ...

Bruhweiler a few frequently asked questions about the death of the sun and what it means ... Although the sun is a million times the volume of Earth, a white dwarf is roughly the size of our ...

What’s significant about this 100m-wide space rock is that it has a small chance of hitting Earth in 2032. Since its discovery, the asteroid’s probability of an impact with our planet has gone ...