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Posts by
EarthSky Voices
Landing on Mars is hard
Mars' atmospheric pressure is less than 1% that of Earth, so spacecraft come down hard. Europe has been trying for a Mars' soft landing since 2003. How they plan to succeed.
December 6, 2016
The circadian rhythm of our microbes
Like most life on Earth, our gut microbes have their own circadian rhythm. Disrupting that daily routine can be bad - and keeping it in balance can be good - for whole body.
December 3, 2016
What’s the hottest Earth has ever been?
Earth’s hottest periods occurred before humans existed. Those ancient climates would have been like nothing our species has ever seen.
December 2, 2016
Signs of climate change at Arctic tree line
Near the Arctic Circle, in northern Alaska, is where forests give way to tundra. Researchers are looking at how the warming climate might affect the ecology of this northern boundary.
November 25, 2016
Climate change affecting all life on Earth
A new analysis of hundreds of studies says that almost every aspect of life on Earth has been affected by climate change ... and that's not good news for humans.
November 22, 2016
What happens if the sun disappears?
Some things that would happen here on Earth if our giant source of heat and light were to vanish from the sky, and how long it would take.
November 19, 2016
Team solves mystery of London killer fog
A fog blanketed London in December 1952, killing as many as 12,000 people. Its exact cause and nature puzzled researchers for decades … until now.
November 16, 2016
2016 likely hottest year on record
It'll be the hottest year on record unless the final weeks of 2016 are the coldest of the 21st century so far, according to the World Meteorological Organization.
November 15, 2016
Daylight saving time worth the trouble?
Who benefits from the time change? A scientist on why DST is more burden than boon.
November 5, 2016
How many genes to make a person?
The answer – fewer than are in a banana – has implications for the study of human health and raises questions about what generates complexity anyway.
October 23, 2016
