NASA satellites capture Yellowstone’s recovery over 30 years after brutal 1988 wildfires that scorched nearly 800,000 acores. ...

At a Glance According to astrophysicist Ethan Siegel, the sun is ever-so-gradually getting lighter and expanding into a red gas giant.Eventually it will burn so hot that it will boil Earth's seas away.That won't happen for at least a billion years, however. Before the sun dies in about 10 billion years, its decreasing mass will make the star hotter and hotter, eventually boiling Earth's seas away, a scientist said. Astrophysicist Ethan Siegel wrote in an article for Forbes this week...

A team of NASA scientists led by Shuai Li made this amazing discovery. ...