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A solar flare 10 billion times more powerful than sun’s
Our sun's solar flares are an incredible natural phenomenon, but now astronomers have observed a flare on a young star that almost defies belief. It's 10 billion times more powerful than any seen on our sun!
February 19, 2019
Plum Tree Blossom Festival in Tokyo
Tokyo's plum trees start blooming when it's still chilly, usually during February. The plum in Japanese culture symbolizes hope and vitality. The blossoms are a sign spring will come!
February 19, 2019
NOAA announces the arrival of El Niño
This year's El Niño is likely to be weak, with little influence on weather through early spring, say NOAA forecasters.
February 18, 2019
Cuba meteor seen from the air
On February 1, 2019, a small asteroid - thought to be the size of a van - disintegrated over Viñales, Cuba. Many caught the meteor and its smoke trail from the ground. Cruz María Ruiz caught them from an airplane.
February 18, 2019
Year’s biggest supermoon on February 19, 2019
The full moon on February 19, 2019, presents the biggest supermoon of the year.
February 18, 2019
Stonehenge mystery solved?
A new study suggests that Europe's ancient megaliths, including Stonehenge, might have stemmed from a single hunter-gatherer culture in what's now northwestern France.
February 17, 2019
Volcanic activity under Mars’s surface?
Mars has long been thought to be a geologically dead world. Could there still be volcanic activity beneath its surface? A subsurface lake at Mars' south pole suggests that possibility.
February 17, 2019
Ancient spider fossils have reflective eyes
A remarkable set of fossil spiders found in South Korea display reflective eyes.
February 16, 2019
See it! Photos of speedy comet Iwamoto
A selection of EarthSky community photos of a fast-moving, faint comet that came nearest to Earth - 28 million miles away - on February 12.
February 16, 2019
Watch for Venus and Saturn this weekend
Watch the great sky show before daybreak February 18, 2019, as the planets Venus and Saturn come to conjunction beneath Jupiter in the east before sunup.
February 16, 2019
