Tropical Cyclone Amphan

Tropical Cyclone Amphan on May 19, 2020, on approach to eastern India and Bangladesh.

Why is Earth’s magnetic north pole drifting so rapidly?

The location of Earth’s north magnetic pole appears to be controlled from deep within Earth by 2 competing blobs in the magnetic field. One is under Canada, and the other is under Siberia. “The Siberian blob is winning," according to scientists.

Why clouds form near black holes

Clouds in the greater universe are clumpy areas of greater density than their surroundings. Space telescopes have observed these cosmic clouds in the vicinity of supermassive black holes.

Seen from space: Covid-19 and the environment

Satellites see environmental changes during the coronavirus lockdown, including reduced pollution.

Last Antarctic sunset

This was the last sunset - prior to several months of winter darkness - at Concordia Research Station in Antarctica. Scientists at the station are studying how living in extreme conditions affects the human body and mind.

More evidence for watery plumes on Europa

Scientists in Europe have found more yet evidence for water vapor plumes on Jupiter's ocean moon Europa.

Learn to recognize the wildlife out your window

With careful observation, you can start to recognize a particular squirrel, or that certain cardinal pair that hangs out on your feeder.

This isn’t a triple rainbow

It's what's called a reflection rainbow, which can be caused by sunlight beaming upward after reflecting from wet sand or calm water, in this case the water of Puget Sound.

Here’s how SOHO and a skywatcher discovered comet SWAN

Almost every day, the SWAN instrument aboard the sun-watching SOHO spacecraft makes a map of the sky. Anyone with internet access can view the maps and join the search for new comets. To date, 12 comets have been spotted in the SWAN data!

Murder hornets? 5 questions answered about Asian giant hornets in North America

Are murder hornets from Asia invading North America? An entomologist who lived among them in Japan explains what's true about the predatory insects.