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Asperitas clouds over Tenerife
Meet Earth's newest named cloud, the asperitas cloud, 1st new addition to the International Cloud Atlas in over half a century.
December 8, 2017
Moon and Regulus on December 8
Moon and star Regulus rise in the east at late evening and appear near each other for the rest of the night. Regulus is considered the Lion's Heart.
December 8, 2017
Turning hurricanes into music
A meteorologist and a music technologist are turning data from tropical storms into musical graphs. Can listening to storms help us understand them better?
December 7, 2017
Christmas lights and the king tide
Mimi Ditchie captured this photo at low tide on Monday - the day of the king tide at Pismo Beach, California - following Sunday's supermoon.
December 7, 2017
Giant black hole at cosmic dawn
Meet J1342+0928, now the most distant quasar yet known, containing the most-distant-yet supermassive black hole. Both exist at a time just 690 million years after the Big Bang.
December 6, 2017
The largest land organism is … a fungus
Maybe you thought it was the giant sequoia or the African elephant. Not even close. The biggest honey fungus identified in North America measures 3.4 miles across!.
December 6, 2017
Meet the Dog Stars
Dog Star Sirius is our sky's brightest star. Dog Star Procyon isn't as bright, but it's easy to spot. Say howdy to these 2 tonight!
December 6, 2017
Are alien microbes hitching a ride on the International Space Station?
Russian cosmonaut Anton Shkaplerov found the bacteria in samples swabbed from outside surfaces of ISS. They weren't present at launch. Where did they come from?
December 5, 2017
Yetis? Nope. DNA study says bears
A new DNA study of purported Yeti samples from museums and private collections is providing insight into the origins of this Himalayan legend.
December 4, 2017
