A mysterious glowing orange orb that looked like an exploding star has been filmed in the Earth's atmosphere. Conspiracy theorists claim that it could be another planet which is about to smash into ...

Space is filled with billions of stars, all of which will eventually reach the end of their life. For many of them, this means exploding in a very dramatic fashion. There are several ways that a star ...

A new study reveals that supernova explosions may have caused two mass extinctions on Earth 372 million and 445 million years ago by damaging the planet’s atmosphere and triggering climate shifts.