Posts by 

Deborah Byrd

Water vapor in atmosphere of exoplanet four times Earth’s size

The exoplanet HAT P-11b - about Neptune's size - has an atmosphere that's cloudless at high altitudes. That's how astronomers could identify water vapor there.

Sun kissed

A beautiful photo to honor the sun at the equinox.

Time-lapse video of Meadow Fire in Yosemite

The Meadow fire in Yosemite National Park is still burning, but nearly 100 percent contained now. This video by QT Luong shows the beauty and terror of wildfire.

Comet C/2012 K1 (PANSTARRS) on September 19

This beautiful comet may be visible with the eye alone around mid-October, but it'll remain much easier to detect using binoculars or a telescope.

Space-based particle detector hints at dark matter

A new and tantalizing hint of mysterious dark matter has been found by the Alpha Magnetic Spectrometer particle detector aboard the International Space Station.

Dawn spacecraft to Ceres recovers after malfunctions

A collision with a high-energy radiation particle may have corrupted software running in Dawn's main computer, and sent the spacecraft into safe mode.

Fogbow over Massachusetts

Because of the small size of water droplets in fog, a fogbow might have only very weak colors, or no color at all. Colorless fogbows are sometimes called white rainbows.

Merging galaxies can produce disk galaxies

Astronomers thought mergers formed giant elliptical galaxies. Now, for at least 24 observed galaxies, mergers have formed flattened, circular disks of dust and gas.

Earthquake-induced landslide at Seward Glacier

NASA scientists were in the right place at the right time this summer to capture photos of a fresh landslide, caused by an Alaska earthquake.

New catalog of visible Milky Way charts 219 million stars

Astronomers spent 10 years charting stars brighter than 20th magnitude – that's about 1 million times fainter than can be seen with the human eye.