The rocky planet, roughly twice Earth's size, has offered astronomers a glimpse of one of Earth’s possible futures — if it doesn’t get engulfed by our expanding sun. When you purchase through links on ...

Eight billion years into the future, astronomers have discovered what may be a future Earth. If the rocky planet doesn't get ...

Mars is apparently not the only planet on our radar capable of sustaining life. UK researchers have confirmed the existence of a “super-Earth” located 20 light-years away that could reveal the ...

At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a new reconstruction of Earth’s deep past. By Raymond Zhong Over the past 500 ...