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Posts by
EarthSky Voices
Phytoplankton blooms underneath Antarctic sea ice
Scientists have compiled evidence of phytoplankton blooms under sea ice in the Antarctic thanks to cracks that let the sunlight in. Find out more.
November 30, 2022
NASA predicted asteroid impact in Ontario, Canada
NASA predicted the asteroid impact in Ontario, Canada, with its Scout impact hazard assessment system. The goal of Scout is to track impact hazards to Earth.
November 23, 2022
A space garden can feed astronauts on the moon
A space garden will enable astronauts to grow their own food in places like the moon and on Mars. Read more about the plants astronauts can grow in space.
November 22, 2022
Challenger debris found in the Atlantic
Divers filming for the History Channel found Challenger debris off the Florida space coast. NASA confirmed the discovery. Read more here.
November 11, 2022
Big Dipper (Sky Bear) comes to Earth in November
Every year, the Big Dipper (Great Bear) descends to its lowest point in the sky on November evenings. This makes it difficult, or impossible, to see.
November 11, 2022
Carl Sagan born 88 years ago today
For many, for decades, Carl Sagan was the best-known astronomer on Earth. He popularized astronomy in a popular TV series. Today is his birthday.
November 9, 2022
Emperor penguins added to ‘threatened’ list
Emperor penguins are joining the list of threatened species from the Endangered Species Act. Will humanity be able to keep emissions low enough to save them?
November 7, 2022
Alien technology might signal extraterrestrial life
Our technology – from cell towers to fluorescent light bulbs – could signal the presence of life. Can we find life in the universe from alien technologies?
November 3, 2022
Ozone hole continues shrinking in 2022
Earth's ozone hole over Antarctica was biggest between September 7 and October 13. The depleted area was smaller than last year and continued a shrinking trend of recent years.
October 28, 2022
What causes ocean waves?
Energy passing through water creates ocean waves. Some are even hazardous. Here's what you need to know, in this 30 second video.
October 14, 2022
