Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
The crew will visit museums, talk with Stephen Colbert and hang out with Elmo.
SpaceX is one of a few firms making a spaceship to replace the now-defunct U.S. shuttle, which had been used to carry supplies to the orbiting outpost.
Collision provides a model for how the Milky Way and Andromeda galaxies will merge billions of years from now.
NASA holds an online viewing party for eager skywatchers — including a duo of scientists to answer questions.
Search for Extraterrestrial Intelligence Institute was forced to shut down its radio telescope array designed to hear potential signals from aliens.
Shuttles come face to face for the first time on their way to retirement.
Some academics claim that solar storms can affect humans, altering moods and leading people into negative behavior through effects on their biochemistry.
Scientists are unsure what causes the planet to be so dark, but they believe it could be 'a chemical we haven't even thought of yet.'
SETI's telescope array went live in 2007 but was forced to shut down in April due to lack of funding.
Star gazers will have to get up early to catch the meteor shower so as to avoid the full moon's brightness obstructing the view.
While all major X-class solar flares are serious events, they pose little threat to Earth unless the flare is aimed directly at the planet.
The findings add weight to the long-debated theory that some of the materials needed to make early life forms came to our planet via meteorites.
NASA's Innovative Advanced Concepts project aims to investigate futuristic technologies such as 3-D printing and novel propulsion techniques.
With plans to reach Mars, and possibly beyond, manned-space rockets will need to refuel in space, either in orbit or on the surface of another planet or moon.
Government scientists have cautioned users of satellite, telecommunications and electric equipment to prepare for possible disruptions this week.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.