Megan Gannon

Bill Nye the Science Guy is set to defend evolution tonight (Feb. 4) in a debate with the founder of Kentucky's Creation Museum, Ken Ham.

Billionaire rocket-maker Elon Musk of SpaceX shared his big vision for a "self-sustaining civilization" on Mars with actor Joseph Gordon-Levitt in a short documentary set to air this weekend.

There's just 11 days left in the crowdfunding campaign to help bring a preview of the Museum of Science Fiction to Washington, D.C.

Satellites circling Earth have snapped stunning views of the sprawling sporting venues and slopes that will host the world's best athletes next week when the 2014 Winter Olympic Games begin in Sochi.

An exploding star has suddenly appeared in the night sky, dazzling astronomers who haven't seen a new supernova this close to our solar system in years.

Two Russian cosmonauts will venture outside the International Space Station Jan. 27 in a second bid to install two high-definition cameras outside the orbiting lab.

The robotic spacecraft that launched to the International Space Station Thursday (Jan. 9) may have been unmanned, but it was packed with 800 living six-legged spaceflyers.

A solar flare that erupted on the sun this week could intensify the northern lights, and perhaps bring dazzling auroras as far south as Seattle, Chicago and Boston.

A revisited trove of data from the Apollo missions has helped scientists answer a lingering lunar question: How fast does moon dust build up?

Two American astronauts are spending Christmas Eve working in the vacuum of space to hopefully fix the vital cooling system aboard the International Space Station.