Posts by 

Deborah Byrd

Landslides on dwarf planet Ceres

A recent study shows that landslides are common on the dwarf planet Ceres and reinforces the idea that Ceres has a lot of water ice.

New Project Skyglow video and giveaway

The guys at Project Skyglow have done some amazing videos, and they have a new book out. It's not too late to enter their giveaway, honoring International Dark Sky Week.

Use the Southern Cross to find due south

From the Northern Hemisphere, a fairly bright North Star marks the direction north. But there's no bright star marking the direction south, as seen from the Southern Hemisphere. Instead, the Southern Cross points the way.

Black dog, rising moon, San Juan Islands

This black dog's name is Smokey. He belongs to James Younger, who captured this photo April 19, 2017 while camping at the San Juan Islands in the U.S. Pacific Northwest.

Happy World Penguin Day

Antarctica has 12 million penguins and 5 penguin species, according to a new report released today. But at least 2 penguin species have recently and significantly declined.

Raining stars

Although they're called shooting stars, meteors aren't star-related. They're really comet dust. Nature photographer John Ashley created this composite image of the Lyrid meteor shower peak April 22.

Cassini completes final, fateful Titan flyby

This was Cassini's 127th Titan flyby. The craft passed at an altitude of about 608 miles (979 km) above the moon's surface. Cassini is now in position for its daring Grand Finale.

How our Milky Way looks from space

Composite of 2 spiral galaxies - offered in celebration of the Hubble Space Telescope's 27th birthday today - shows how our Milky Way galaxy might look if we were outside it.

See it! Meteors, moon, Venus photos

The Lyrid meteor shower didn't produced as many meteors as hoped, but we some lovely photos. And the moon and Venus were awesome Sunday morning!

Celebrating science, the Earth and the sky

Earth Day and the March for Science, April 22. International Dark Sky Week, April 22-28. Links and resources for all 3, here.

EarthSky Newsletter

Nearly half a million daily subscribers love our newsletter. What are you waiting for? Sign up today!

Join now to receive free daily science news delivered straight to your email.