First recorded occurrence of three Category 4 hurricanes in central and eastern Pacific basins at once. Hurricane Center in Honolulu issuing advisories on all three.
New Horizons will perform four maneuvers in October and November to veer toward 2014 MU69 - an object in the Kuiper Belt - aiming for a January 1, 2019 encounter.
New Hubble Space Telescope image of a planetary nebula, created by two aging stars that have shucked off their outer layers, but still orbit each other.
Animation of the planet Venus, now returning to the east before dawn. The animation shows Venus in the morning sky from August 2015 through March 2016.
Researchers say these high-energy neutrinos come from sources beyond our Milky Way galaxy. They say the ability to discover them heralds a new form of astronomy.
A new explanation for the driving force behind ancient fire fountain eruptions on the moon. Plus ... do some volatiles on the moon and Earth have a common origin?
Why are sprites elusive? It doesn’t help that they flash on millisecond timescales. Also, they're above thunderstorms, usually blocked from view on the ground.
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.