Visitors can touch meteorites at new planetarium exhibit

NASA's Cassini spacecraft burns up over Saturn

Scientists: Ash tree species pushed to brink of extinction

Plane piloted by Neil Armstrong being moved for restoration

Scientists gather in Hopkinsville for complete darkness

Bonnie Tyler will sing 'Total Eclipse of the Heart' during solar eclipse

Should pets' eyes be protected during the eclipse?

Tyson's eclipse tip: Don't video it, experience it

Scientists say lightning is zapping fewer Americans

What to expect during the solar eclipse

Countdown to solar eclipse

Moon dust collected by Neil Armstrong to be sold at auction

NASA solar probe to "touch" sun's atmosphere

What is the Vernal Equinox?

SpaceX says it will fly 2 people to the moon next year

Stunning space discovery: 7 Earth-size planets found orbiting dwarf star