Posts by 

Deborah Byrd

James Webb Telescope chillin’ in Houston

In hot Houston, the telescope hangs in historic Chamber A at Johnson Space Center, with the best air conditioning available. It'll soon receive a last test of its ability to withstand the cold of space.

California’s Alamo Fire, from space

Large plume of smoke from the Alamo Fire in southern California, blowing over the eastern Pacific on July 9. Areas burning actively at that time appear in red.

Gender, racial bias in astronomy revealed

Research has found that women generally experience subtle, indirect or unintentional discrimination in the sciences. A new survey shows women of color undergo the worst harassment.

Astronomers track hypervelocity stars

New video shows 6 hypervelocity stars, zipping from Milky Way center to outskirts. An interaction with our galaxy's central, supermassive black hole might have kicked them into fast motion.

Supernumerary rainbow over NYC

Look inside the bright primary bow for colorful fringes, whose number and spacing can change from minute to minute. Alexander Krivenyshev caught this one over New York City on Saturday, July 8.

See it! This weekend’s full moon

Favorite photos of the July 2017 full moon from EarthSky friends around the world. Thanks to all who submitted to EarthSky or posted to EarthSky Facebook!

100 billion failed stars in Milky Way?

A recent survey revealed 1 brown dwarf for every 2 stars in the star cluster RCW 38 and other clusters. "There are a huge number of brown dwarfs out there," astronomers said.

Sunspot, and chance of weekend storms

Experts say there's a 60% chance this weekend of geomagnetic storms, possibly causing auroras. Plus, over the past couple of days, a lone sunspot has grown rapidly!

Solar minimum is coming

Low ebb in the 11-year sunspot cycle expected 2019-2020. Want some basic information about the sunspot cycle and its effects? Watch this NASA ScienceCast.

Breathtaking night-shining clouds

Wonderful video showing noctilucent - or night-shining - clouds recorded on July 1 and 4. These clouds shine in the darkness, typically on summer nights.