Posts by 

Deborah Byrd

Did Earth’s magnetic field collapse for 2 hours on April 23?

No, Earth's magnetic field did not collapse for 2 hours on April 23. The erroneous story, which is still spreading, originated with a glitch in a computer simulation.

Omega Centauri, a ghost galaxy, from a ghost town

Under dark night skies near Big Bend National Park in South Texas, our galaxy's largest globular star cluster.

Dwarf planet Makemake has a moon

This Hubble Space Telescope image reveals the first moon ever discovered around little Makemake, in the outermost region of our solar system.

Watch NASA build a space telescope

The JWST mirror covers off for a few days this week, and webcams are set up at Goddard Space Flight Center. Watch!

What Venus Express learned by aerobraking

Results from the Venus Express spacecraft, obtained when - in the craft's final months - it surfed the dense atmosphere of Venus.

Holding 2016’s smallest full moon

The farthest full moon, and smallest full moon, on April 22-23, 2016.

Ferret and stars in Montana

Montana's rarest native animal, a black-footed ferret, surfaces on a starry night.

Popocatépetl volcano hurls rock and fire

Awesome videos showing the fiery eruption of Mexico’s Popocatépetl volcano, which began Monday morning.

See it! Moon sweeps past Jupiter

The moon swept past Jupiter over the past few nights. Check out these photos from the EarthSky community.

An inconspicuous comet

Many hoped Comet 252P/LINEAR would become visible to the eye. It has, but only barely. Enjoy photos from the few, the proud, who've captured this comet on film!