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Largest fireball since Chelyabinsk falls over Atlantic
The biggest fireball since the Chelyabinsk explosion plunged through the atmosphere over the Atlantic Ocean on February 6.
February 24, 2016
El Niño prolonging record coral bleaching event
This year's intense El Niño - added to our warming climate - is prolonging what's already the longest global coral die-off on record, according to scientists.
February 24, 2016
Moons might hold key to finding E.T. life
As the list of known planets beyond our solar system grows, the search for their moons is intensifying. Why exomoons might be key to E.T. life.
February 23, 2016
Extinction of giant herbivores changed global landscapes
Extinctions of large herbivores such as mammoths, mastodons, and ground sloths helped turn many open landscapes into forests, scientists say.
February 23, 2016
Moonrise at MMT Observatory
Monday's full moonrise at MMT, part of Whipple Observatory - located on Mount Hopkins, Arizona, - 34 miles (55 km) south of Tucson in the Santa Rita Mountains.
February 23, 2016
Moon, Jupiter closest on February 23
Jupiter is now nearly as bright as it will be for this entire year. The result is a beautiful sky scene. Don't miss it!
February 23, 2016
Ancient flowers probably poisonous
Two fossil flowers, found perfectly preserved in amber, came from an asterid group that ultimately gave rise to some of the world’s most famous poisons.
February 22, 2016
Full moon plus Jupiter on February 22
The full moon and the dazzling planet Jupiter - now nearly at its best for this year - will be together all night. Think photo opportunity!
February 22, 2016
First robin of the year
On Saturday, our friend Suzanne Murphy got her first robin sighting of the year yesterday in southern Wisconsin. Spring is coming!
February 21, 2016
Category 5 Cyclone Winston slams Fiji
The strongest tropical cyclone recorded so far in 2016 - and Fiji's strongest tropical cyclone ever - made landfall Saturday evening.
February 20, 2016
