Updated: 2024-04-29 14:00:00
The equipment planned to help bring samples back from Mars.
Updated: 2024-04-24 20:00:00
What was our ancient magnetic field like? A new finding suggests the oldest estimate of the age of the planet’s current magnetic field.
Updated: 2024-04-24 18:45:00
What are the different colors of the moon? Learn when the Pink Moon is visible and what it represents.
Updated: 2024-04-24 18:00:00
Explore the dynamic nature of solar flares, intense bursts of radiation from the Sun, their causes, effects on Earth, and the remarkable visuals they create.
Updated: 2024-04-22 14:00:00
Scientists could one day find traces of life on Enceladus, an ocean-covered moon orbiting Saturn.
Updated: 2024-04-22 06:22:24
There seem to be two extremes when it comes to Elon Musk and SpaceX. There are those that believe everything Elon tries will work because–ELON. There are those that believe SpaceX has reached the end of its’ lucky tether because–ELON. … Continue reading →
Updated: 2024-04-22 06:22:22
I was interviewed by John Kelvey for an article on propellant depots, which AIAA just published in this month’s Aerospace America magazine. Here’s an online version of the article for those of you who don’t get the print edition. Also … Continue reading →
Updated: 2024-04-17 23:27:59
Anytime the topic of electric aircraft comes up, the immediate response by the middle-brow (and some high-brow) is that it’s obviously impractical due to the mass-sensitivity of flight and the obvious energy density (or they usually intend “specific energy”) advantage … Continue reading →