The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

This brings us to the complexity of NASA's announcement. "Confirmed planets are added to the count on a rolling basis by ...

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 ...

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

“The idea that Ryugu-like objects held on to ice for so long is remarkable,” he added. “It suggests that the building blocks ...