The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.

We like to think that our solar system is eternal, but one day, its very epicenter will die. Our Sun, like all stars, had a ...

Did you know that the current CO2 concentration in the Earth's atmosphere has peaked in the last million years? A further ...

An asteroid the size of a skyscraper is approaching Earth at 24,136 miles per hour. The giant asteroid will be at its closest ...