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 ...

So, while exploding stars are very interesting and can teach us a lot about space, science, and other things, they really aren’t a threat to the Earth. At least not at this point and not that we ...

Bob McDonald's blog: Humanity gets its first glimpse of what happens when an aging star overwhelms a close orbiting planet, just as our sun is expected to eventually do with Mercury, Venus and Earth.

Astronomers on Tuesday said that the asteroid designated 2024 YR4 had become the most likely sizable space rock ever forecast to impact planet Earth. The object, first detected in December, is 130 ...