The Slooh Community Observatory will offer a free webcast of the Eta Aquarid meteor shower on May 5-6.
The rugged terrain on Mars is taking its toll on the six wheels of NASA's Curiosity rover, but the Red Planet robot should be able to complete its mountain-climbing science mission...
Get ready for two-dimensional spacecraft and microorganisms that can recycle Mars dirt into working electronics.
Three potentially habitable Earth-size planets have been discovered orbiting a dim, cold nearby star that is barely larger than Jupiter, researchers say.
The discovery was so unusual that at first astronomers didn't know what to call it.
A solar-powered airplane landed in suburban Phoenix Monday night after a daylong flight from California -- the latest leg in its around the world journey using only energy from the...
Astronomers searching for life beyond our solar system may need to look no farther than a little, feeble nearby star.
Solar Impulse 2 has taken off from California on the tenth leg of its record-breaking solar-powered journey around the world.
Almost five years after NASA's last space shuttle landed in Florida, an orbiter returned to the runway at the Kennedy Space Center.
NASA has released images of the giant mirror that will allow the James Webb Space Telescope, Hubble’s successor, to look into the cosmos and see galaxies that are over 13.5 billion...