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EarthSky

EarthSky

The EarthSky team has a blast bringing you daily updates on your cosmos and world. We love your photos and welcome your news tips. Earth, Space, Human World, Tonight.

Find the Crown of the Scorpion

Posted by in Astronomy Essentials | Favorite Star Patterns | 1 day ago
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Here’s a cool asterism, or noticeable pattern of stars, to look for in your sky. The Scorpion’s Crown consists of just 3 stars.

Join space scientists marking Apollo anniversary

Posted by in Human World | Space | 4 days ago
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Join online as leading space scientists discuss the legacy of Apollo 11 during the mission’s 50th anniversary this week.

What’s the July birthstone?

Posted by in Human World | 1 week ago
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Happy birthday to all you July babies! Your birthstone, the ruby, is among the most highly prized of gemstones.

Today in science: 1st Telstar launch

Posted by in Human World | 2 weeks ago
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Telstar was the 1st satellite to relay television signals between Europe and North America. It launched on this date … and helped change the world.  

Why no eclipse every full and new moon?

Posted by in Astronomy Essentials | 3 weeks ago
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In 2019, there are 13 new moons and 12 full moons, but only 5 eclipses – 3 solar and 2 lunar.

ESA will head for the double asteroid, too

Posted by in Space | 3 weeks ago
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Following NASA’s DART mission, if all goes as planned, an European Space Agency mission called Hera will also visit Didymos and its moon, to gather vital, detailed information. Watch a video, where astrophysicist and Queen guitarist Brian May explains more.

Today in science: Tunguska explosion

Posted by in Earth | Space | 3 weeks ago
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We celebrate Asteroid Day on June 30 because it’s the anniversary of a 1908 explosion over Siberia that killed reindeer and flattened trees. Here’s the latest on what we know.
Spiral galaxy NGC 2903

Meet an iconic spiral galaxy

Posted by in Today's Image | 4 weeks ago
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This is a particularly photogenic spiral galaxy, called NGC 2903. You can see its pinwheeling spiral arms, scatterings of stars, glowing bursts of gas, and dark lanes of cosmic dust.

Video: Watching solstices and equinoxes from space

Posted by in Earth | Space | 1 month ago
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See how sunlight falls on Earth’s surface during the solstices and equinoxes, and get a better understanding of why Earth’s tilt causes the seasons.
Exoplanet landscape, composed by an artist.

IAU invites countries to name exoplanets

Posted by in Human World | Space | 1 month ago
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Nearly 100 countries have already signed up to organize national campaigns, to provide the public with an opportunity to vote. The deadline is July 30 to express interest in organizing a national campaign. The IAU will announce results in December.