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Tumor Tell-All
Unraveling complex genetic stories in cancer cells may lead to personalized treatment.
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SpaceSuper-Earths may come in two flavors
As more exoplanets are discovered, evidence emerges that worlds can be either fluffy or dense.
By Nadia Drake -
HumansFossil finds offer close look at a contested ancestor
Nearly 2 million-year-old fossils offer glimpses of a species that may, or may not, have been crucial for human evolution.
By Bruce Bower -
Health & MedicineBody & Brain
Vaccine knocks down diarrhea cases, a flag for mortality risk and more in this week’s news.
By Science News -
EarthEarthly riches heaven sent
A period of heavy meteorite bombardment after Earth's formation may have peppered Earth's outer layers with useful metals.