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Harvard study links breast cancer to light at night
Artificial light has transformed the night sky, a change researchers continue to link to health problems.
February 8, 2018
Humans witnessed fire-covered Earth at end of Ice Age
New research suggests that some 12,800 years ago, an astonishing 10 percent of the Earth’s land surface was consumed by fires, thanks to a cosmic impact.
February 7, 2018
James Webb Telescope arrives in California
The James Webb Telescope's 2 component halves had been undergoing testing in Houston. They're now at Northrop Grumman Aerospace Systems in California, about to be assembled.
February 7, 2018
Watch online as 2 asteroids sweep close this week
How to watch online this week as 2 newly discovered asteroids - 2018 CB and 2018 CC - sweep closer to Earth than the moon.
February 5, 2018
Mount Sharp photobombs Mars rover selfie
Mars' Mount Sharp - whose flanks are the focus of the Curiosity rover's studies on Mars - photobombed this January 2018 selfie of the rover.
February 1, 2018
See it! Super Blue Moon eclipse photos
It was a Blue Moon, a supermoon and a moon in total eclipse. EarthSky community members around the world came through as always with awesome photos.
January 31, 2018
Why space radiation won’t stop human space exploration
Videos and links related to potential health effects to astronauts from space radiation, plus solutions and countermeasures.
January 31, 2018
Watch 2nd spacewalk of 2018 live on Monday
Watch on January 29, as two astronauts aboard the International Space Station (ISS) perform the year’s 2nd spacewalk. Live TV coverage starts at 10:30 UTC (5:30 a.m. EST). The spacewalk begins at about 12:10 UTC (7:10 a.m. EST).
January 28, 2018
Swollen Seine causing Paris floods
Eastern France experienced unusually heavy rainfall throughout January 2018, and last week the Seine, in Paris, began a precipitous rise. Videos here.
January 27, 2018
Scientists find oldest modern human fossil outside Africa
This fossil suggests Homo sapiens left Africa 50,000 years earlier than previously thought.
January 27, 2018
