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Posts by
EarthSky Voices
Billions of cicadas may be coming soon to trees near you
One of the largest groups of 17-year cicadas, Brood X, last emerged from underground in 2004. The next generation will begin arriving in April 2021.
March 16, 2021
Scientists discover 4 new particles
On March 3, scientists at CERN in Geneva - which operates the the Large Hadron Collider, largest particle physics laboratory in the world - announced the discovery of 4 brand-new elementary particles.
March 14, 2021
What’s the coldest Earth has ever been?
Our planet’s history includes episodes of cold so extreme that glaciers reached sea level in equatorial regions.
February 27, 2021
Astrophysicists design ‘radically different’ world map
You know the old problem of how to portray the round globe of Earth on a flat map? Now a trio of map experts has worked together to solve this problem. Their new map is 2-sided and round.
February 25, 2021
Hundreds of fish species, including many we eat, are consuming plastic
As more and more plastic trash permeates the oceans, microplastics are making their way into fish and shellfish, and potentially into humans.
February 18, 2021
Has the polar vortex arrived? What is it?
The polar vortex is an enormous, 3-dimensional ring of winds that surrounds the North and South poles during each hemisphere’s winter. The polar vortex influences the jet stream, which can bring cold winter weather to the U.S. and Europe.
February 11, 2021
How to prevent crashes between orbiting satellites
Thousands more satellites will soon orbit Earth. We need better rules to prevent space crashes.
February 4, 2021
Why is there something instead of nothing?
Why is there is a universe at all? The question is a challenging one because it seems perfectly possible that there might have been nothing whatsoever – no Earth, no stars, no galaxies, no universe.
January 31, 2021
Earth is losing ice at a record rate
The rate at which ice is disappearing across the planet has been speeding up, by 65% since the 1990s, a survey of global ice loss using European Space Agency satellite data reveals.
January 26, 2021
Opinion: Biden administration must act fast to save migratory birds
On Trump’s way out of the White House, his administration demolished a law that protects migratory birds, putting over 1,000 species at risk. The Biden administration can still salvage it, but only if they act swiftly.
January 24, 2021
