Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
Sky gazers in North and Central America and a tiny sliver of South America will boast the best seats to this year's only total eclipse of the moon.
NASA's Voyager 1 probe is nearing the edge of our solar system after 33 years and nearly 11 billion miles of spaceflight. The spacecraft may make the final crossing into interstellar space in just four more years.
Prepare for the last lunar eclipse visible in North America until 2014 with this handy guide.
Company has already secured $54 million in deposits from those waiting to take a flight into space.
Felisa Wolfe-Simon also reflected about her experience as a young scientist thrust into the heart of a web-fueled controversy.
Russian rocket soon to be only way to reach International Space Station once NASA shuts down its shuttle program in 2011.
Astronomers think the stellar explosion was a Type Ia supernova, which is an especially energetic and bright variety.
The find represents a significant success for Qatar's science research program, and demonstrates the power of science to cross political boundaries and increase ties between nations.
Scientists estimate Voyager 1 completely exits the solar system and enters interstellar space in 2014.
Spotting Venus during in the daytime is a little bit easier than you may have thought.
Satellites have spotted the high-altitude explosions of natural fireballs that routinely dive into the Earth's atmosphere, and talks are under way to offer scientists access to that data.
Shuttle is 'one trick pony' that will be the only way to reach the International Space Station by next year.
An unnamed moon may have plunged into Saturn 4.5 billion years ago, forming the rings around the planet.
Space agency could receive $18.91 billion for 2011, $186 million more than it received for 2010.
Capsule carrying the cheese was the world's first commercial spacecraft to launch into orbit and return to Earth safely.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.