Sascha Pare

The Hailin impact crater is a newly-discovered scar in the mountains of Northeast China left behind by a meteor impact, but geologists aren't sure exactly when this happened.

Orcas off the coast of Washington State are balancing dead fish on their heads like it's the 1980s, but researchers still aren't sure why they do it.

The Indian Ocean "gravity hole" is a region where Earth's mass is reduced, leading to weak gravitational pull, lower-than-average sea levels and a puzzle scientists have only just begun to solve.

Mapping in the Chukchi and Beaufort seas off Alaska has uncovered a 1,640-foot-tall structure on the seafloor, but scientists say it's too early to determine the nature of the discovery.

Stunningly preserved fossils of reptilian footprints and underbellies discovered last year in the Italian Alps have helped researchers unearth a tropical lakeside ecosystem that predates dinosaurs.

Argentina's El Ojo is said to harbor UFOs and the ghosts of ancient deities, but as far as scientists can tell, the island is simply a fluke of nature that formed through erosion and water currents.

Watch this terrifying robotic torso spring into life

Earth is racing toward climate conditions that collapsed key Atlantic currents before the last ice age, study finds

'We are teetering on a planetary tightrope': Cut emissions in half right now to prevent climate catastrophe, UN warns

Polar bears are getting horrific injuries and huge 'ice balls' on their paws because of climate change, researchers say