Table of Contents January/February 2018

Discover's 100 top stories of 2017 is jam-packed with the best in science from the past year. From space exploration to medicine, technology, paleontology and environment, we've got every field covered. Highlights include the the Great American Eclipse, science under Trump, ancient trackways, new planets and "living drugs."
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The solar event that transfixed Americans from sea to shining sea.
Our ancestors’ origin story is being refined.
A gravitational wave and a flash of light open up a new field of astronomy.
We break down the Trump administration’s salty relationship with science.
Researchers in a U.S. lab finally test the revolutionary gene-editing tool in human embryos.
The FDA approves a powerful gene therapy to fight a resistant cancer.
A record-breaking number of Earth-sized planets orbit a faint star in a nearby galaxy.
Fossilized footprints may change our family tree.
The Saturn probe completes its years-long mission in a fiery descent.
The deluge that swamped Houston changes how we measure downpours.


The Cassini probe reveals a chemical brew erupting from the Saturnian moon.
We can now find chemical signatures in a fossil without destroying it.
Healthy sheep are born from an artificial placenta.
U.S. feels the walls closing in as drug-resistant infections spread.
Rare, sudden surges of radiation originate in a dwarf galaxy 2.5 billion light-years away.
Theorem detects gerrymandering in congressional districts.
Putting the brakes on greenhouse gases won't yield immediate results.
Bioengineers get closer to a pig organ that could be used for human transplants.
Device is 100 times more sensitive — and way smaller.
Glaciologist hints at what's next for a trillion-ton iceberg the size of Delaware.
Antarctica’s Fiery Underbelly
Radar surveys reveal scores of volcanoes underneath the ice.
"In many ways, it's a new Jupiter," lead investigator says.
Brain region controls aging process, opening the door to prolonging life.
Video pixel data is encoded in bacterial DNA.
Scientists extract hominin DNA just from dirt.
Remains of 112 million-year-old plant-eater show off impressive body armor and shoulder spikes.
Research points to environmental factors as culprits.
Main ingredient of ecstasy rides the fast track to FDA approval.
CERN discovery was more than 30 years in the making.
By editing their genetic material, they can gain new traits.
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