All Stories by Sid Perkins
- Climate
Chinese carbon dioxide emissions eclipse efficiency gains
A boost in manufacturing and construction in China led to an increase in carbon dioxide emissions that outstripped any gains from increased energy efficiency.
- Tech
Watching Earth for 25 years
The Landsat 5 satellite launched in 1984 with a mission to orbit and image Earth's surface for three years. Still in orbit, the satellite has continuously documented changes in landscape.
- Paleontology
Dinosaur handprints reveal birdlike arm anatomy
Inward-facing palms evolved much earlier than previously recognized, a new study finds.
- Life
New stegosaur is quite a stretch
A newly discovered stegosaur has neck proportions like those of sauropods.
- Physics
Physics could unite plankton
Oceanic version of wind shear can disorient marine microorganisms and trigger formation of thin, densely populated layers.
- Climate
Hot carbon storage
New field studies show Africa’s tropical forests have stored carbon in recent decades.
- Climate
Plumes of arctic haze traced to Russia, Kazakhstan
Smoke from forest fires, agricultural burning may be substantial part of springtime plumes.
- Life
Earliest whales gave birth on land
Recently discovered fossils of a protowhale help fill in gaps in the land-to-water transition.
- Life
Triceratops may have been headbangers
Lesions on Triceratops fossils are attributed to head-to-head combat in a new study.
- Earth
Oldest zircon fine-tunes history of moon’s formation
Mineral bit provides clues about when our cosmic companion formed its crust.
- Earth
Antarctica is getting warmer too
Satellite data show most of the continent is following worldwide trend.
- Earth
Clearing some air over warming in Europe
A decline in fog and haze clears the air but also fuels 20 percent of the warming in Europe, a new study concludes.
