"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today." ...

Hawaiʻi Island is commonly called the Big Island. It’s a land of powerful contrasts: lava-sculpted coastlines, snow-capped ...

Everest's peak stands at an impressive 8,849m above the ocean, making it the piece of land at the highest altitude on Earth.

The sight of the Milky Way stretching across the night sky is iconic, but some places offer a better view of it than others. These locations are among the best.

From the rainforests of Kauai to the nightlife of Waikiki, each Hawaiian island is different. Here's how to pick the island that's right for you.