A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...
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 ...
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.