There's a longstanding mystery about the craters on Venus. There aren't enough of them. Could active volcanoes be wiping them from the planet's surface?
With a population of 10 billion by 2050, how can we manage and adapt to Earth's land surface? Read the top 11 questions about geophysical sciences for the coming decade.
Ice decreasing in Greenland: "These changes on the Greenland ice sheet are happening fast, and we are definitely losing more ice mass than we had anticipated. "
I met Neil deGrasse Tyson when he was in graduate school in astronomy at the University of Texas at Austin, and it was clear even then that he was a gifted communicator.
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.