Video of this year's oppositions of Mars and Saturn, in front of the constellations Libra and Scorpius. Notice Mars appearing larger around its May 22 opposition!
Mercury is getting ready to transit the sun on May 9. This video from the SOHO sun-watching camera shows Mercury inching closer to the sun's disk, day by day.
Earthquake rates have been steadily increasing since March at the Pacific Northwest volcano Mount St. Helens. The cause is probably new magma, rising upward.
Inside the world's largest clean room at Goddard Space Flight Center, the James Webb Space Telescope team lifted and turned the telescope for the first time last week.
Meteor showers happen when Earth passes through a stream of icy debris left behind by a comet. The famous Comet Halley spawned last week's Eta Aquarids.
"Since three years ago, we have planned to shoot this photo. We went to the zone repeatedly but every time we got nothing ... until now." - Sergio Vindas
Breakthrough Starshot seeks proof of concept for a 100-million-mile-per-hour mission - using light-propelled nanocrafts - to reach the nearest star in 20 years.
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.