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Posts by
Editors of EarthSky
Valentina Tereshkova: 1st woman in space
On June 16, 1963, cosmonaut Valentina Tereshkova launched solo aboard a Soviet Vostok 6 rocket, becoming the first-ever woman in space.
June 16, 2022
Fireflies: How and why they light up
A firefly's familiar glow is caused by a chemical reaction. Why and how fireflies light up here, plus many wonderful firefly photos.
June 8, 2022
Today's Image
Lunar eclipse photos, via EarthSky’s community
The May 15-16, 2022, total eclipse of the moon is over. Now, check out these beautiful lunar eclipse photos from EarthSky's community members!
May 16, 2022
Total lunar eclipse – a supermoon eclipse – on May 15-16, 2022
A 90-minute total lunar eclipse on Sunday, May 15-16, 2022. It's seen across much of Earth, best from the Americas and western Africa.
May 15, 2022
How Pluto got its name
Eleven-year-old Venetia Burney named Pluto for a god of the underworld. The name also honored Percival Lowell, the pioneering astronomer.
May 1, 2022
Astronomy Essentials
The upcoming total solar eclipse in North America
The next total solar eclipse visible from North America will be on April 8, 2024. Find charts and learn more about eclipses here.
April 29, 2022
Partial solar eclipse of April 30, 2022
A partial solar eclipse occurs April 30, 2022. The moon's penumbral shadow will sweep across the southeast Pacific and southern South America.
April 29, 2022
Our best images of Earth for Earth Day 2022
Enjoy this collection of some of our best images of Earth. Thanks to all who contributed their amazing photos, and have a Happy Earth Day!
April 22, 2022
Mars-Saturn conjunction: Photos from friends
Mars-Saturn conjunction was April 4 and 5, 2022, in the eastern sky before sunrise. The 2 planets appeared close! And brilliant Venus was nearby. Photos here.
April 6, 2022
Milky Way season is starting! Photos here
Milky Way season begins in the wee morning hours of spring. The EarthSky community shares their first photos of the season. Enjoy these pics!
April 5, 2022
