A new study suggests the reason we haven't found intelligent civilizations in the galaxy is that such civilizations might not have survived their Great Filter.
New computer simulations show that most gold-rich stars were formed in low-mass dwarf galaxies that merged with our Milky Way galaxy some 10 billion years ago.
Space-based solar power is a long-held dream of space visionaries. ESA will present a plan to implement it at an upcoming council meeting later this month.
A study of multiple hot Jupiters - using NASA’s Chandra X-ray Observatory - confirms that hot Jupiters do cause their stars to appear younger than they are.
Astronomers discovered and measured a super-fast jet, thought to be the result of 2 neutron stars colliding. The jet is moving at 99.97% the speed of light!
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.