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Scientists unearth 1st direct evidence of 1st Americans
Genetic analysis of DNA of an infant found at an Alaskan archaeological site is evidence of a previously unknown population of ancient people in North America.
January 6, 2018
Sea smoke sunrise at Nubble Lighthouse
Sea smoke forms when very cold air moves over warmer water. Jatinkumar Thakkar braved the cold to capture this photo at Nubble Lighthouse in Maine on New Year's Day.
January 6, 2018
Mars/Jupiter conjunction on January 7, 2018
Watch for the magnificent conjunction of Mars and Jupiter in the predawn sky on January 7, 2018. Then get ready for a great year of Mars- and Jupiter-watching in 2018.
January 6, 2018
How deep is your snow?
It’s really hard to measure snowfall accurately. The National Weather Service relies on more than 8,000 volunteers with rulers.
January 5, 2018
See it! High tides and winter storms
High tides followed Monday's supermoon, as Storm Eleanor plowed into Europe. Then a "bomb cyclone" hit the U.S. East Coast. Photos here showing winter's power and terrible beauty.
January 4, 2018
10 places to find snow beyond Earth
On Earth, you can find snow from the poles to mountaintops in the tropics. There are plenty of other places in the universe that are home to snow as well.
January 4, 2018
Flower pointers to Magellanic Clouds
In this image from Great Barrier Island, New Zealand, 2 flax flowers point to the Small and Large Magellanic Clouds.
January 4, 2018
Moon and Regulus on January 4
Look for the moon and Regulus to climb above your eastern horizon around mid-evening on January 4, 2018. From some places, the moon will pass in front of Regulus.
January 4, 2018
No alien megastructure for Tabby’s Star
This star’s odd, sporadic dimmings and brightenings caused speculation about vast structures built by alien civilizations. But a crowd-funded observing campaign led to a different conclusion.
January 3, 2018
Ringing in 2018 with 85 new species
From sea slugs to sharks to flowering plants, spanning 5 continents and 3 oceans, these new discoveries add to Earth’s tree of life.
January 3, 2018
