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Massive iceberg breaks off Antarctica
An iceberg - about the size of the U.S. state of Delaware - split off from Antarctica’s Larsen C ice shelf sometime between July 10 and 12.
July 13, 2017
Possible new threat to Earth’s ozone layer
Recent increases in an unregulated ozone-depleting substance could delay recovery of Antarctic ozone levels by 5–30 years, say scientists.
July 12, 2017
California’s Alamo Fire, from space
Large plume of smoke from the Alamo Fire in southern California, blowing over the eastern Pacific on July 9. Areas burning actively at that time appear in red.
July 11, 2017
Supernumerary rainbow over NYC
Look inside the bright primary bow for colorful fringes, whose number and spacing can change from minute to minute. Alexander Krivenyshev caught this one over New York City on Saturday, July 8.
July 10, 2017
Sunspot, and chance of weekend storms
Experts say there's a 60% chance this weekend of geomagnetic storms, possibly causing auroras. Plus, over the past couple of days, a lone sunspot has grown rapidly!
July 7, 2017
Breathtaking night-shining clouds
Wonderful video showing noctilucent - or night-shining - clouds recorded on July 1 and 4. These clouds shine in the darkness, typically on summer nights.
July 7, 2017
If greenhouse gas emissions ended now…
Would climate change stop? The simple answer is no. A climate scientist explains.
July 7, 2017
Earthquake rocks Montana early Thursday
The 5.8-magnitude earthquake in western Montana took place just after midnight, local time. It woke people up near the epicenter and was felt throughout the region. Expect aftershocks.
July 6, 2017
US Southwest wildfires still burning
Across the US Southwest - amid a record-breaking heat wave - fires that started in early June continue to burn.
June 26, 2017
Global coral bleaching event likely ending
Good news for coral reefs at last! After 3 years, the global coral bleaching event is likely over, scientists say.
June 22, 2017
