The rocket-powered Gracie will conduct five hops during its short lunar stay, including one into the depths of a shadowy crater. A SpaceX launch later this month will send a new type of lunar ...

The chemical makeup of mineral inclusions preserved in impact glass hints at the site of a missing impact crater. Tektites are natural glass formed when debris falls back to Earth after a ...

In the Pacific Ocean, Molokini is a tiny yet extraordinary crescent-shaped island. This landmass is a partially submerged ...

In less than a minute, a Mexico-bound air ambulance jet that departed Philadelphia on Friday night, climbed to 1,500 feet before it took a steep nosedive, crashing into the ground, and leaving an ...

Kilauea volcano in Hawaii is erupting with fountains of lava. Check out a USGS livestream from within the Halema'uma'u crater. Kilauea volcano entered its fourth eruptive episode on Thursday ...

The island is famed for its caldera – a bowl-shaped crater caused by a volcanic eruption – which was formed by one of the largest known blasts around 3,600 years ago. Santorini’s most recent ...

Many of the top tours visit crescent-shaped Molokini, which is located off Maui's southwestern coast and is home to 250 species of fish. Lana'i is another top snorkeling tour destination as it's ...

It’s a must-visit spot for its simple, breathtaking beauty. Off the coast of Maui, Molokini Crater offers one of the best snorkeling and diving experiences in Hawaii. This crescent-shaped volcanic ...

Bring a picnic or simply stroll the gardens and soak in the tranquility. Off the coast of Maui, Molokini Crater offers one of the best snorkeling and diving experiences in Hawaii. This crescent-shaped ...

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