Posts by 

Deborah Byrd

How does radioactive wastewater harm the human body?

As Japan's Fukushima Daiichi nuclear power plant struggles to contain a flood of radioactive wastewater, a word about what makes radioactivity harmful to humans.

Herschel telescope goes blind, ends mission

The Herschel space observatory has exhausted its supply of liquid helium coolant, essential to cool the observatory's instruments.

Milky Way over Crater Lake

Crater Lake in Oregon is famous for the clarity and blue color of its water. But it's also a beautiful place to go stargazing.

Space junk headed for a cascade of collisions

When objects in Earth orbit collide, they create thousands of orbiting fragments. Then, the fragments collide.

See it! Photos of April 25-26 lunar eclipse

Best photos from EarthSky friends around the world of the partial lunar eclipse of April 25, 2013.

April 25-26 lunar eclipse, with a friend

Yesterday's eclipse was viewed and enjoyed by many. Visit EarthSky on Facebook or G+ for many more great eclipse photos.

Last night’s almost full moon

The moon looked round and full last night. Full moon comes today - April 25, 2013 - with a partial lunar eclipse.

Comet ISON is coming

The Hubble Space Telescope captured this beautiful image of Comet C/2012 S1 (ISON) on April 10. The comet is now closer to the sun than Jupiter's orbit.

Lyrid meteors and star trails in Arizona

We're now more than a day past the peak of the Lyrid meteor shower. Check out this cool image of meteors, star trails and a foreground lit by a bright moon.

This dinosaur species hatched its eggs like brooding birds

The researchers say this research bolsters our understanding of the evolutionary link between birds and dinosaurs.