Posts by 

Deborah Byrd

Super-Earth transit detected from the ground

The astronomers say their technique should let others make ground-based characterizations of dozens of super-Earths, expected to be found in space surveys.

Night-shining cloud season begins in Antarctica

Noctilucent clouds - aka night-shining clouds - are thought to be made of ice crystals that form on fine dust particles from meteors.

Bar-headed geese in India

A beautiful shot of bar-headed geese - one of the world's highest flying birds - over a wetlands in India in November 2014. Photo by Abhinav Singhai.

Using supermassive black holes to measure cosmic distances

"Eye of Sauron" is a nickname for an active supermassive black hole at the core of a distant galaxy. Researchers measured its distance at 62 million light-years.

NASA is tracking a gargantuan iceberg, escaped from Antarctica

After six months of winter darkness in Antarctica, NASA has re-acquired satellite images of the huge iceberg B31.

Video: Astrophysicists discuss the film Interstellar

Black holes, worm holes, exoplanets, time dilation. Three astrophysicists discuss them all in a presentation of the science behind the film Interstellar.

Earth has its own Star-Trek-like invisible shield

Scientists studying Earth's Van Allen belts have found an invisible shield that blocks ultrafast electrons from moving deeper into Earth’s atmosphere.

Magellanic Clouds and more

Milky Way, Large and Small Magellanic Clouds and bright star Canopus can be seen in this image taken at sunrise over East Java’s Mount Bromo.

Pico do Fogo volcano in Cape Verde erupts, residents evacuated

Pico do Fogo is a shield volcano in the Cape Verde islands, off Africa's west coast. After a 20-year quiet, it began erupting Sunday, causing hundreds to evacuate.

Video: A year in the life of Earth’s CO2

Awesome visualization, based on an ultra-high-resolution NASA computer model, showing how carbon dioxide in our air travels around the globe.