Some October night, check out 3 of the flashiest stars in the night sky ... at least at this time of year. And here's why you see these as a flashing star.
Spot the constellation Cassiopeia the Queen somewhere in the northern sky during much of the year, and throughout much of the night. It's high overhead now.
On today's date, August 25, 1989, Voyager 2 flew over the north pole of Neptune, making its closest approach to a planet in its outer solar system Grand Tour.
What's Phil thinking? Join Phil Plait, The Bad Astronomer, beginning at 12:15 p.m. central (17:15 UTC) on Monday, August 12 ... to hear him talk about GAIA.
To celebrate the 12-year anniversary of Curiosity rover's arrival on Mars, here’s a video on the final 7 minutes of its chilling descent on August 5-6, 2012.
Meteor experts will be answering your questions LIVE in EarthSky's weekly livestream, beginning at 12:15 central (17:15 UTC) on Monday, August 5. Join us!
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.