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A sun halo, sundogs and more
Halos around the sun or moon aren't uncommon, but this is a really special one. Thanks to Martin Male, who captured it from Yellowknife, Northwest Territories, Canada.
September 6, 2018
Saturn’s famous hexagon towers above cloudtops
As wide as 2 Earths - like nothing seen on any other world - Saturn's hexagon was thought to be a feature of the lower atmosphere, where Saturn's weather happens. Now there's evidence it extends high above the cloudtops.
September 5, 2018
Tropical Storm Gordon has made landfall
One death has been reported so far from the storm. Gordon's winds were just below hurricane-force last night when it made landfall just west of the Alabama-Mississippi border.
September 5, 2018
Telescopic view of 4 planets
These 4 planets - from west to east, Venus, Jupiter, Saturn and Mars - have been dominating our evening sky. They'll stay up throughout September.
September 5, 2018
Love vines suck life from wasps, leaving mummies
For the first time, biologists have documented dueling parasites in South Florida. When love vines do battle with gall wasps, the result is wasp mummies.
September 5, 2018
Watch it get hotter, 1880-2017
An anomaly is something that deviates from what's standard, or expected. This global warming visualization - created by Antti Lipponen of the Finnish Meteorological Institute - shows yearly temperature anomalies by country.
September 4, 2018
Meet the Gemini “twins” before sunup on September 5 or 6
There are many bright stars up before the sun now, but the moon can help you find Castor and Pollux.
September 4, 2018
Mars’ gala summer has ended
Mars - the world next-outward from Earth in orbit around the sun - has been brighter these past 2 months than since 2003. It's still bright, but will soon fade. Here are a few recent images of Mars at its best.
September 3, 2018
Jupiter’s growing pains, explained
Jupiter is the biggest planet in our solar system, but had delayed growth early on. Scientists weren't sure why, but now might have an answer.
September 3, 2018
Why you can smell rain
What you're smelling is petrichor – a pleasant, earthy scent that accompanies a storm's first raindrops. A weather expert explains where it comes from.
September 2, 2018
