Posts by 

Deborah Byrd

Astronomers pinpoint source of fast radio burst

"This is the big breakthrough that the field has been waiting for since astronomers discovered fast radio bursts in 2007," one team member said.

NASA has a plan to knock an asteroid off course

DART stands for Double Asteroid Redirection Test. The DART mission is planned for launch in 2021. It'll visit a double asteroid - Didymos and its tiny moon - and crash into the moon in an attempt to change its orbit.

Amazing June for noctilucent clouds

For the northern part of Earth, the season for seeing noctilucent clouds - clouds that shine at night - typically begins in June. This June has been particularly fine for seeing these electric-blue clouds. Photos and video here.

Best photos of the Mercury-Mars conjunction

It was the closest conjunction of 2 planets in 2019, between Mercury and Mars. It happened low in the evening twilight - and was best seen from Earth's Southern Hemisphere. Check out these photos from EarthSky Community members.

Mars Helicopter passes key tests

The Mars Helicopter will launch with Mars 2020. It'll be the first vehicle in history to attempt to establish the viability of heavier-than-air vehicular flight on another planet. Plus ... space engineers celebrate with a selfie after attaching the Mars 2020 rover's remote sensing mast.

Asperitas clouds ahead of the rain

Kent Reinhard captured these rare asperitas clouds on June 10. They’ve been described as “… as if viewing a roughened sea surface from below.”

Atmospheric CO2 hits record high in May 2019

NOAA reports that carbon dioxide in Earth's atmosphere continued its rapid rise in 2019, reaching the highest recorded levels in 61 years of observation last month.

Andromeda, Jupiter, Milky Way over Montana

We're now in the middle of the best time of year to see Jupiter, and it's near the starry arc of the Milky Way. Enjoy this panoramic image from John Ashley in Montana.

ALMA spies a cool gas ring around our Milky Way’s central black hole

New observations by the ALMA telescope in Chile have revealed a never-before-seen disk of cool, interstellar gas wrapped around Sagittarius A*, the giant black hole at the center of our galaxy.

Golden eagle and funnel cloud, over Oregon

A golden eagle flying in front of a funnel cloud over the Steens Mountain Wilderness in southeastern Oregon. Thomas Patrick Tully, who posted these photos in earIy June, wrote that the funnel "... almost touched down and stayed strong for several minutes."