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Posts by
EarthSky Voices
Molecular clocks track human evolution
How do scientists figure out when evolutionary events happened? It turns out our DNA is a kind of molecular clock, keeping time via genetic changes.
April 9, 2017
Super halos around very young galaxies
Astronomers directly observed a pair of Milky-Way-like galaxies, seen when the universe was 8% of its current age. They were excited to find the young galaxies surrounded by huge halos.
March 26, 2017
Bodies freed from gravity’s grip
Life on Earth is used to gravity. So what happens to our cells and tissues in space?
March 17, 2017
Real-life Hoth is disappearing
Hardangerjøkulen, the Norwegian ice cap better known to Star Wars fans as the ice planet Hoth, is melting and may disappear by 2100.
March 15, 2017
What our teeth say about us
How anthropologists gather clues about how our ancestors lived from their teeth. Plus what will our teeth tell future anthropologists about us?
March 3, 2017
Galapagos tortoise back from the brink
Galapagos giant tortoises, once on the brink of extinction, have made a comeback.
February 28, 2017
20 years after Dolly
Everything you always wanted to know about the Dolly the cloned sheep and what came next, from a biomedical researcher and cloning expert.
February 25, 2017
Magnetic pole reversal ahead?
What’s magnetic north would become magnetic south. Is Earth headed to a pole reversal? A look at the archaeological record in southern Africa provides clues.
February 10, 2017
Forensic science looks at human evolution
The reach of forensic science’s is being extended back from crime scenes into prehistory to help unlock the mysteries of human evolution.
January 14, 2017
Will I see the northern lights tonight?
Answers to commonly asked questions about seeing one of nature's wonders: the aurora borealis or northern lights.
January 4, 2017
