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Storm chasers honor Bill Paxton
An amazing several-state tribute - stretching across Tornado Alley - honoring Twister star Bill Paxton, who died Sunday due to complications from heart surgery.
February 27, 2017
Catch Comet Encke this evening!
The comet's orbital period is short - only 3.3 years - and the orbit is relatively close to Earth. Encke's Comet is now on its 63rd known visit to our part of space.
February 27, 2017
Favorite photos: Ring of fire eclipse
The annular - or ring of fire - eclipse was visible from Earth's Southern Hemisphere. Photos here!
February 26, 2017
Stacked moons
A stack of moon images from Friday morning (February 24, 2017) taken at 1 minute intervals as the moon rose from the horizon, by Ken Christison.
February 26, 2017
February 26 ring of fire eclipse
The annular eclipse of the sun on February 26, 2017 takes place in the Southern Hemisphere, along a very narrow path that runs through South America and Africa.
February 26, 2017
20 years after Dolly
Everything you always wanted to know about the Dolly the cloned sheep and what came next, from a biomedical researcher and cloning expert.
February 25, 2017
Ancient tortoise reveals tropical DNA
This is a rare look at tropical DNA, courtesy of an ancient giant tortoise that tumbled into a sinkhole 1,000 years ago.
February 25, 2017
Last flight gone
Hunter Davis wrote, "Winter is almost here at the South Pole. The last flight for the summer left last week. I'm just waiting for the sun to go down so I can photograph some stars! "
February 25, 2017
Ring of fire eclipse on Sunday
The February 26, 2017 annular solar eclipse - aka a ring of fire eclipse - will be visible from parts of Earth's Southern Hemisphere.
February 25, 2017
Cherry blossoms opening in Japan
In Japan at least, spring has sprung! Are you seeing signs of spring in your hometown?
February 24, 2017
