Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
A long time ago, in a galaxy far, far away...
The Expoxi spacecraft, originally built for another mission, will fly by the Earth on its way to the comet Hartley 2.
For a decade, man had used the funny-looking rock' in his garden to deter his dog from digging.
New research: Black holes that spin in the opposite direction emit stronger jets of radiation.
A computer algorithm modeled after the human brain will see billions of galaxies as we do and categorize them.
Huge black holes at the center of two separate galaxies surprise scientists with strange antics.
Alignment is important in navigating a space potty.
World's largest inflatable vehicle will become a stratospheric satellite, say its developers.
New information may solve mystery about why the universe is composed of matter and not antimatter.
Scientists think light flickers from exoplanets may show the presence of oceans, continents, and perhaps life.
As Atlantis gets ready for it's final flight, experts share cool, little known facts about the iconic shuttle.
New study looks to see if Earth's bacteria could survive on the red planet.
NASA re-creates conditions of moon, Mars in underwater lab.
Robert Bigelow wants to assemble a lunar base in space and fly it to the moon.
The famed cosmologist outlines several ideas for crossing through time.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.