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Posts by
EarthSky Voices
Coronavirus Explained: What it does to your body that makes it so deadly
How the coronavirus infects and how it makes people sick.
April 14, 2020
Top 5 Mercury mysteries that BepiColombo will solve
BepiColombo - a joint mission of Europe and Japan - successfully passed Earth last night and is now headed toward the innermost part of the solar system. Here are some questions about our sun's innermost planet, Mercury, the spacecraft is expected to answer.
April 10, 2020
Why did Ecuador’s tallest waterfall stop flowing?
With water dropping 150 meters (490 feet) through a thick patch of cloud forest, San Rafael Waterfall was one of Ecuador's most captivating landscapes and attracted tens of thousands of visitors per year. But on February 2, the water stopped flowing.
April 8, 2020
Fossil skull suggests human ancestors emerged 200,000 years earlier than thought
This newly discovered fossil is a hugely important find, say scientists. It means that one of our earliest ancestors possibly originated in southern Africa. Read more
April 6, 2020
How to model a pandemic
Behind every government announcement, there is an army of epidemiologists predicting how the virus will spread, and how to beat it. Note that this story doesn't deal specifically with the University of Washington models released April 5, projecting U.S. infections and deaths from COVID-19 in the coming months. But it does provide insights into how scientists create models.
April 1, 2020
Quasar tsunamis rip across galaxies
Astronomers using the Hubble Telescope found that the region around a quasar's black hole pushes out material at a few percent the speed of light. These quasar tsunamis wreak havoc on the galaxies in which the quasars live.
March 27, 2020
Ancient 4-limbed fish reveals origin of human hand
The origin of digits in land vertebrates is hotly debated, but a new study suggests that human hands likely evolved from the fins of Elpistostege, a fish that lived more than 380 million years ago.
March 27, 2020
Social distancing: What it is and why it’s the best tool to fight coronavirus
With no vaccines or treatments, the fight against coronavirus comes down to this behavioral technique. A physician explains how it works.
March 15, 2020
Top tips for feeding wild birds
It's OK to feed wild birds. Here are some tips for doing it the right way from a wildlife ecologist.
March 5, 2020
Antarctica melts under its hottest days on record
On February 6, weather stations recorded the hottest temperature on record for Antarctica, 64.9°F (18.3°C). The warm spell caused widespread melting on nearby glaciers
February 29, 2020
