Posts by 

Deborah Byrd

A peculiar galactic clash

This pair of barred spiral galaxies have just begun a magnificent merger.

Sun pillar at Vancouver Island

Sun pillars happen when sunlight reflects from plate-like ice crystals, drifting through Earth's atmosphere with a horizontal orientation, gently rocking from side to side as they fall.

The most inspirational space video, ever

Worried that our human species is making a mess of things? Inspiration-less? Carl Sagan wants to tell you something.

360 video: Tour a Mars robot test lab

If your browser or smart phone is set up to view it, this 360 video will let you virtually explore a Mars simulation facility at NASA's Jet Propulsion Laboratory, where engineers are practicing for an upcoming Mars lander mission.

Nature likes to make bow waves

Boats moving through water make bow waves. Objects in space, including Earth, make them, too. Even the moon's shadow - penetrating Earth's atmosphere during a total solar eclipse - creates moving bow waves.

Check out the Big and Little Dippers

Nice! We published some stories about the Big and Little Dippers and received back some photos. Love it when that happens. Thank you!

Best photos of moon’s sweep past morning planets

The waning moon has now swept past all 3 bright planets in the predawn sky. Photos here from the EarthSky community.

The science of fake news gets a boost

Scientists call for studies of fake news. Plus a word about so-called "chemtrails."

Low rainbow near Joshua Tree

The height of a rainbow depends on the height of the sun. The higher the sun, the lower the rainbow.

A tangle of stars in Berenices’ Hair

Berenice's Hair - aka Coma Berenices - requires a dark sky to be seen. But it's worth the effort, a wonderful star cluster!