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Planetary Sciences 1 hour ago

Sun shoots out biggest solar flare in almost 2 decades, but Earth should be out of the way this time

The sun produced its biggest flare in nearly two decades Tuesday, just days after severe solar storms pummeled Earth and created dazzling northern lights in unaccustomed places.

Earth Sciences 14 hours ago

How 'glowing' plants could help scientists predict flash drought

An unusual boost in plant productivity can foreshadow severe soil water loss, and NASA satellites are following the clues.

Earth Sciences 14 hours ago

New GPS-based method can measure daily ice loss in Greenland

When the ice sheet in Greenland melts, as it has done increasingly in recent years, the bedrock beneath moves slightly.

Planetary Sciences 17 hours ago

Why are auroras so hard to predict? And when can we expect more?

On Saturday evening before Mother's Day, Australians witnessed a rare celestial spectacle: a breathtaking display of aurora australis, also known as the southern lights.

Astronomy 19 hours ago

Three stars circling the Milky Way's halo formed 12 to 13 billion years ago

MIT researchers, including several undergraduate students, have discovered three of the oldest stars in the universe, and they happen to live in our own galactic neighborhood.

Planetary Sciences May 13, 2024

Research reveals the cause of diffuse aurora formation dominated by chorus waves

Recently, a research team led by Prof. Lu Quanming and Prof. Gao Xinliang from the School of Earth and Space Sciences and the Deep Space Exploration Laboratory at the University of Science and Technology of China (USTC) has ...

Plants & Animals May 13, 2024

Ornithologists discover world's largest hummingbird is actually two species

The Giant Hummingbird of western South America is not one species but two, according to an international group of researchers. The northern population stays in the high Andes year-round while the southern population migrates ...

Planetary Sciences May 13, 2024

Dazzling auroras fade from skies as sunspot turns away

The spectacular auroras that danced across the sky in many parts of the world over the weekend are fading, scientists said Monday, as the massive sunspot that caused them turns its ferocious gaze away from Earth.

Ecology May 13, 2024

Small but mighty, plankton are among the most powerful creatures on Earth

If you go to the beach and dip a bucket in the sea, you might at first think it contains lifeless water. But examine that water under a microscope and you will see your bucket contains a universe of microscopic life, in the ...

Ecology May 13, 2024

Madagascar's ancient baobab forests are being restored by communities—with a little help from AI

Six of the world's eight baobab species are indigenous to Madagascar, where the distinctive trees with giant trunks have historically grown in huge forests. But these forests are threatened by slash-and-burn agriculture—4,000 ...

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