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Editors of EarthSky

Anak Krakatoa began a new eruption February 3

Indonesia’s Anak Krakatoa Volcano began a new eruption on February 3, 2022, as seen in this image shared by the European Space Agency.

Antarctica’s Larsen B embayment has disintegrated

After more than a decade in the Larsen B embayment, a large expanse of sea ice broke away from the Antarctic Peninsula in January 2022.

1st US satellite – Explorer 1 – launched 64 years ago this week

On January 31, 1958, the United States launched its 1st satellite, Explorer 1. The satellite led to the discovery of the Van Allen radiation belts.

Asteroid 2022 AE1 poses no danger to Earth

Newly discovered Asteroid 2022 AE1 was temporarily at level 1 on the Torino scale. Now it's off the list entirely. Why? Why didn't astronomers know?.

Webb set to arrive at its final destination, L2

The James Webb Space Telescope launched December 25, 2021. It successfully unfolded and is on its way to L2, where it will begin its science mission.

Video: Shielded versus unshielded lighting

A new video gives a dramatic demonstration of shielded versus unshielded lighting. Remember to buy outdoor lighting that preserves our night skies.

Juno spacecraft’s 4 latest discoveries at Jupiter

Juno has been studying Jupiter and its moons since it arrived at the giant planet in 2016. Here are 4 of its newest discoveries, courtesy of NASA.

Webb Telescope launch December 25: Success!

NASA now says that - due to adverse weather - the Webb Telescope will launch no earlier than Christmas Day, December 25.

Why do pine trees smell good?

Pine trees - as well as spruce and fir, all Christmas tree favorites - produce chemicals called terpenes, giving them their special, distinctive scent.

Hurricanes expected to linger over cities in US Northeast

More hurricanes - like Sandy in 2021 - could be in the East Coast's future, potentially costing billions of dollars in damage and economic losses.