Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
The Japanese space agency handed over control of its experiments on the International Space Station to NASA while it determined the integrity of its facilities.
After repeated incidents of reporters more interested in personal lives, the twin astronauts have cancelled many of their interviews with the press.
Astronaut Mark Kelly said there was "a pretty good chance" his wife, Gabrielle Giffords, critically injured in a shooting, will attend his launch.
A collective of scientists, writers and futurists band together to create a business plan to fund interstellar space travel.
Video: Photographer Terje Sorgjerd speaks about the week he spent capturing amazing pictures and video of the Northern Lights.
New technology may help scientists determine if Mars microbes traveled through space and began life on Earth.
Asteroids are 'natural stepping-stones' as NASA prepares itself for deep-space exploration.
Long before the first lunar landing, dogs, chimps and monkeys flew beyond our atmosphere to test the influence of space on living organisms.
Chavez: Capitalism may have brought about the end of resources on Mars, making the planet a warning sign for those on Earth.
Scientists are seeking out worlds that are roughly the size of Earth and are the right distance from their suns to have liquid water on the planet.
Lunar Reconnaissance Orbiter snaps photos of the Moon's mysterious 'dark side' in an effort to help scientists better understand the Earth's neighbor.
A 'space hacker,' Waldman seeks to show what regular people have to offer experts when it comes to understanding space.
The largest full moon in more than 18 years did not disappoint eager skywatchers around the world. Check out their photos and observations.
Unlike previous launch reports from Iran, there were no animals on board the capsule.
As the full moon approaches, its growing brightness tends to capture our attention, but any day of the month the moon has some secrets up her sleeve. Here are 10 surprising and strange facts about Earth's natural satellite.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.