A giant planet in the HR 8799 system orbits six times faster than its neighbor, reigniting the mystery surrounding its origin ...

Two Earth-sized planets orbiting TRAPPIST-1 are locked in permanent day and night, with heat differences suggesting they are ...

Earth and the course of life on Earth have been shaped by impacts. Scientists have uncovered links between massive impacts ...

No need to panic, but Apophis, the "Colossal God of Chaos" asteroid, is expected to pass close enough to Earth that observers ...

As this summer’s FIFA World Cup draws ever closer, the unprecedented magnitude of the 39-day global event – and particularly ...

As the Philadelphia Zoo explains, baby hippos weigh about 60-110 pounds at birth. By their first birthday, however, they ...

Jupiter and Saturn may seem similar as gas giants, yet their vastly different moon systems reveal a deeper story shaped by ...

Somewhere beyond Neptune, the Kuiper Belt is bent. Not by much, and not in a way any known planet can account for. A study ...

The cooling effect that volcanoes can have on the environment is often underestimated. Volcanic eruptions produce ...

Can cruise ships help save the planet? One German shipbuilder thinks so. This week, Meyer Werft introduced Project Vision, ...

Does temperature really matter? Learn how caffeine, antioxidants, and acidity compare—and which option may be best for you.

With the opening chapter of Midnight concluded, we are left still pondering some of the most intriguing mysteries in the ...