Viewers in Florida have a chance to see a spectacular night launch this weekend.
The Hubble Space Telescope's Extreme Deep Field survey reveals 5,500 galaxies and peers back 13.2 billion years into the universe's past.
Quick and easy definitions of string theory, quantum entanglement, singularities, and other confounding terms.
Experts clashed over whether organized religions would help or hinder an interstellar spaceflight effort.
New calculations suggest we might actually be able to build a warp drive for faster than light travel.
Celebrities, artists, scientists and astronauts are meeting in Houston for the 100-Year Starship Symposium.