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Posts by
EarthSky Voices
What is dark matter?
Cosmologists are heading back to their chalkboards, as experiments designed to figure out the nature of dark matter come up empty.
October 30, 2017
How the universe creates gold
Finally, scientists know how the universe makes gold. They've seen it created in the cosmic fire of 2 colliding stars via the gravitational wave they emitted.
October 25, 2017
Gravitational waves: What are they?
If you understand how a trampoline works, you'll be able to understand what gravitational waves are.
October 17, 2017
How gravitational waves attracted a Nobel Prize
The 2017 Nobel prize for physics was awarded to scientists who helped pioneer the discovery of ripples in the fabric of spacetime, known as gravitational waves.
October 8, 2017
Nobel winners shed light on circadian rhythms
Three American scientists share the 2017 Nobel Prize in Physiology or Medicine for work that explained how our cells keep track of time.
October 8, 2017
Why don’t poison frogs poison themselves?
Scientists are a step closer to resolving this head-scratcher. And their findings have potential consequences for the fight against pain and addiction.
September 29, 2017
How well can seeds survive in space?
If humans want to live on Mars, we're going to need to grow food. How well can seeds survive harsh, non-Earth conditions?
September 23, 2017
Humans are still evolving, say scientists
Scientists have identified genetic variants less common in older people than younger people. They say it's natural selection at work, continuing to weed out disadvantageous traits.
September 17, 2017
Irma turns Caribbean islands brown
Wow. Check out these satellite images of Caribbean islands before and after Hurricane Irma
September 13, 2017
How nuclear war would affect Earth’s climate
The climatic effect of a large-scale conflict "... would be similar to that of the giant meteor believed to be responsible for the extinction of the dinosaurs. This time, we would be the dinosaurs."
September 8, 2017
