New pterosaur species found in Queensland, Australia

A fossil unearthed in western Queensland, Australia, is a new species of pterosaur. Scientists named it Haliskia peterseni.

What is the equation of time? And what is noon, for you?

The difference between apparent solar time (the actual time between noons) and mean solar time (the average time between noons) is called the equation of time.

Incredible sea rays: Lifeform of the week

Sea rays are descendants of sharks. They have strong teeth and some can be dangerous with stingers or electric discharges.

Carbon capture is controversial, but it may be crucial

Carbon capture - first used in the 1920s - has a critical role in reaching net zero emissions of the greenhouse gas carbon dioxide.

What does summer mean to you?

What does summer mean to you? Here are some of the answers you shared on social media. And tune in to our livestream on June 17, at 12:15 p.m. CDT.

What is the heliosphere and how can we measure it?

The heliosphere is a bubble of solar gas that extends outward and protects the planets from interstellar radiation. Scientists would like a probe to study it.

Rare juvenile T. rex discovered by young fossil hunters

A family fossil hunting in the North Dakota badlands stumbled across an intriguing fossil. Later, scientists identified it as a rare juvenile T. rex.

Cicadas are emerging across parts of the U.S.

The cicadas are here! Have you seen - and heard them - in your neighborhood? Cicadas may be plentiful and loud, but they're basically harmless.

Like people, elephants use names for each other

Elephants are highly intelligent and social animals. And now, a new study shows that elephants use names when communicating with each other, just like humans.

Fastest carbon dioxide surge ever during year of extremes

Atmospheric carbon dioxide is accumulating faster than ever, accelerating to levels far above any experienced during human existence, say climate scientists.