Posts by 

Deborah Byrd

Crazy airglow

Airglow over Acadia National Park earlier this month, as a tropical storm raged in the Atlantic. Can a storm cause airglow? An expert comments.

Glorious new images show Titan’s dunes

Cassini spacecraft will begin its grand finale at Saturn in 2017. This was one of Cassini's last close flybys of Saturn's large moon, Titan.

See the horse in this lightning?

Pareidolia is seeing familiar objects or patterns in otherwise random or unrelated objects or patterns ... like seeing a horse in lightning.

Fun! Enterprise Nebulae

More examples of pareidolia, seeing familiar objects in unrelated patterns. These 2 nebulae will be close to the hearts of Star Trek fans.

Mars, Saturn, Antares and the moon

September 8 planets and moon, plus the star Antares. In time-exposure photos like this one, the streaks result from Earth's spin.

A comeback for humpback whales

The international moratorium on whale-hunting is still in place, but - good news - some whales are coming off the U.S. endangered species list.

See asteroid mission launch September 8

NASA's first sample return mission to an asteroid launches Thursday at 7:05 p.m. EDT (2305 UTC). Links here to follow the mission online.

A rare relic of the early Milky Way

Terzan 5 looks like an ordinary globular cluster, but has stars of hugely different ages. Some of its stars are similar to the Milky Way's most ancient stars.

Brown dwarfs hiding in plain sight

Brown dwarfs are like stars, but too small to ignite fusion in their cores and so shine as stars do. If you saw one, it wouldn't be brown. It'd be magenta.

Moon, Venus and sleeping giants

A wonderful capture of this weekend's view of the moon and planet Venus, with the famous iconic statues of Easter Island.