All Stories
- Physics
Clean coal for cars has a dirty side
Getting liquid fuels from coal would likely increase carbon emissions, and certainly not reduce them.
- Humans
Elephants’ struggle with poaching lingers on
Even as African elephants struggle to recover from decades-old poaching, the animals face new and renewed threats today.
- Life
A more fearsome saber-toothed cat
Analyses of fossils reveal that a third, newly recognized type of saber-toothed cat — one that killed by biting large chunks of flesh from its victim instead of biting its neck and slashing the major blood vessels there —roamed the Americas about a million years ago.
- Tech
Coal Country’s New Foresters
New techniques may be shaving a century or two off the recovery of mined mountain tops.
- Paleontology
How pterosaurs took flight
Extinct flying reptiles known as pterosaurs may have taken to the air with a technique akin to leapfrogging, new research suggests.
- Tech
Trading Forests for Coal
Forested mountain peaks have been giving way to grassy planes in Appalachian coal country.
- Archaeology
Really Cool History
Tales of the black band: Clues to a 4,200-year-old mystery lie frozen in icy records stored atop Mt. Kilimanjaro.
- Space
More problems with Hubble
Hubble’s resurrection is suspended while engineers examine two anomalies.
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- Climate
Eggs, Tea and Mr. IPCC
Even jet-lagged, the world's lead climate negotiator took time out to brief a few reporters.
- Earth
An electronic nose that smells plants’ pain
Device can detect distress signals from plants that are harmed, under attack.
- Humans
Rumors of Gulf War Syndrome
British Gulf War veterans responded to military secrecy by talking among themselves about their health problems. Through rumor, the vets collectively defined the controversial ailment known as Gulf War Syndrome, a new study suggests.
