Jupiter's moon Europa is an ocean world beneath an icy crust, and scientists want to land a spacecraft there. But a new study indicates a surface less dense than freshly fallen snow.

Deborah Byrd

January 28, 2018

Swollen Seine causing Paris floods

Eastern France experienced unusually heavy rainfall throughout January 2018, and last week the Seine, in Paris, began a precipitous rise. Videos here.

Deborah Byrd

January 27, 2018

Sun pillar over frozen lake, Sweden

Nature photographer Jörgen Andersson posted this photo to EarthSky Facebook on January 22, 2018.

Deborah Byrd

January 25, 2018

Scientist proposes yet another new definition of a planet

What's a planet? What's a dwarf planet? What's a brown dwarf? In recent years, astronomers have grappled with these definitions. The newest proposal comes from Johns Hopkins.

Deborah Byrd

January 24, 2018

Tsunami warnings issued – later canceled – after powerful Alaska quake

A powerful earthquake struck 174 miles (280 km) southeast of Kodiak, Alaska, early on January 23. Tsunami watches or warnings were issued - later canceled - for western North America and Hawaii.

Deborah Byrd

January 23, 2018

Hubble Telescope finds substellar objects in Orion Nebula

Yes, the Orion Nebula is a star factory, but a new deep survey has revealed 17 brown dwarf companions to red dwarf stars, a brown dwarf pair, a brown dwarf with a planetary companion plus ... 3 giant planets.

Deborah Byrd

January 23, 2018

Orion high in southern skies

Orion the Hunter is at its highest in the south in the evening now for the Northern Hemisphere. But the Southern Hemisphere has an even better view!

Deborah Byrd

January 23, 2018

Deborah Byrd

Deborah Byrd (asteroid 3505 Byrd) helps edit EarthSky.org and is a frequent host of EarthSky videos. Deborah created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Prior to that, she had worked for the University of Texas McDonald Observatory since 1976, and created and produced their Star Date radio series. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named in her honor in 1990, a Public Service Award from the National Science Board in 2003, and the Education Prize from the American Astronomical Society in 2020. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.