When the sun explodes into a supernovae how far will the ejected material go as a planetary nebulae?
What do brown dwarfs teach us about stars? What do they teach us about planets? What keeps them warm, and how long do they live?
Some of the biggest questions in the universe depend on its shape. Is it curved? Is it flat? Is it open?
Alex Gibbs discovered his 31st comet and asteroids collisions even though they have 600,000 miles separations
Discussion on new plan for the Windows On the Universe Center with the McMath-Pierce Solar Telescope at Kitt Peak
Strange Ice Spikes in Europa and can a moon has moons?
Could the dark matter simply be hidden? What is the nature of space?
Here’s a story about Pallas.