Hotspots for Category 6 storms are growing

Category 6 storms - or extremely strong Category 5 hurricanes on the current scale - arise in hotspots on the globe, and those spots are growing.

These giant sea reptiles lived in freshwater rivers, too

Scientists thought mosasaurs - giant sea reptiles - lived in oceans. But the discovery of fossils in North Dakota shows they may also have lived in freshwater.

What’s a green flash and how can I see one?

Have you ever seen the green flash from a setting sun? Learn how to see one here, plus how they appear, and enjoy some great photos and watch a video!

Killer whales and dolphins hunt together in a rare alliance

Killer whales and dolphins have been observed hunting together, sharing prey and skills in a rare and remarkable display of inter-species cooperation.

Polar bear DNA changing in response to climate change

A new study has found that polar bear DNA might be evolving to help these creatures adapt to the stresses of our changing climate.

This moss survived in space for 9 months

In an experiment on the outside of the International Space Station, a species of moss survived in space for 9 months. And it could have lasted much longer.

See the next Kilauea eruption in Hawaii on this live cam

Kilauea volcano erupted spectacularly on December 6, 2025. What's it doing now? Check the live cam here and read more about the recent eruption.

New fairy lantern plant discovered at popular Malaysian park

Scientists have discovered an exquisite new species of fairy lantern - called Thismia selangorensis - at a park near Kuala Lumpur, Malaysia.

Why humpback whales are coming back

Humpback whales are making a remarkable comeback, thriving in new habitats thanks to conservation efforts and their adaptable feeding habits.

Sumatran tiger sightings triple on Indonesian island

Camera traps on the Indonesia island of Sumatra caught 3 times as many endangered Sumatran tigers as before. The Sumatran tiger is thriving in this region.