Astronomers have found some pretty wild exoplanets. Some are balls of lava the temperature of hell, one is partially made of ...

A colossal chasm in Siberia, ominously known as the "Gateway to Hell," has seen its size balloon threefold since 1991, and scientists say it may reveal secrets about ... as the planet's second ...

"It's possible both were habitable," Weller said. "It shows how easy it is for an Earth-like planet to become like Venus." The "million-dollar question," however, is what initially pushed Venus ...

James Webb telescope detects 1-of-a-kind atmosphere around 'Hell Planet' in distant star system Although SPECULOOS-3 b isn't ...