On Wednesday, July 1, 2020, 2 astronauts will perform the 2nd of a pair of International Space Station (ISS) spacewalks, to replace aging nickel-hydrogen batteries. How to watch.
The new study also suggests that the supervolcano under Yellowstone National Park was much more explosive in its early history and could be slowing down.
This year, solstice celebrations at Stonehenge monument are canceled due to Covid-19. But for the 1st time, you can celebrate the 1st sunrise of summer from Stonehenge online.
NOAA reports that atmospheric carbon dioxide (CO2) measured at Hawaii’s Mauna Loa Observatory for May 2020 was the highest monthly reading ever recorded.
Researchers say they've identified the cleanest air on the planet - free from particles caused by human activity - over the Southern Ocean, which surrounds Antarctica.
"For the dinosaurs, the worst-case scenario is exactly what happened ... because it put more hazardous debris into the upper atmosphere and scattered it everywhere, the very thing that led to a nuclear winter."
Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.