Alone among known planets, Earth has vast oceans on its surface and its landmasses are marked with lakes and extensive river ...

Our circumstances here on the wondrous, life-supporting Earth can give us a false understanding of what the universe is ...

Earth's largest waterfall, Denmark Strait cataract, is located in Arctic waters between Iceland and Greenland and is roughly ...

Right now, Earth is about 3.1 million miles farther from the sun than it is in early January when it reaches perihelion, its ...

DEATH VALLEY NATIONAL PARK, Calif. (AP) — When the running gets hard in this desert dubbed “hell on Earth,” Danny Westergaard ...

Explore these unforgettable California travel destinations, from natural wonders to iconic landmarks, in this personal ...

The sun's ascent above Earth's horizon is observed from the International Space Station, marking the approaching peak of ...

When the running gets hard in this desert dubbed "hell on Earth," Danny Westergaard tells himself: "Slow and steady" or "smooth as butter." ...

As Earth spins faster than it has in decades, atomic clocks are catching the difference, and shorter days are on the horizon.

Discover why Earth's farthest distance from the sun coincides with summer heat, then grab your binoculars for a week of spectacular celestial events: First Quarter moon's 3D craters, Mars cozying up ...

Real world measurements of how much extra heat the Earth is trapping are well beyond most climate models. That’s a real ...