The most exciting dinosaur discoveries of 2025

2025 was an amazing year for dinosaur discoveries, from dome-headed dinos to mini T. rexes. Here are some of the most exciting discoveries of the past year.

Brown bears in central Italy are becoming less aggressive

As Apennine brown bears learned to co-exist with humans in central Italy, they evolved to become smaller and less aggressive, according to a new DNA study.

Earth’s atmosphere sheds onto the moon!

Researchers found Earth's atmosphere sheds onto the lunar surface thanks to the solar wind stripping particles, which then spiral along magnetic field lines.

Solstices and equinoxes seen from space

See how sunlight falls on Earth's surface during the solstices and equinoxes, and get a better understanding of why Earth's tilt causes the seasons.

Will the U.S. have a white Christmas in 2025? Find out here!

Will the U.S. have a white Christmas in 2025? Most of the U.S. will have a green and relatively warm Christmas, but snow is possible in some areas. More here!

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.