NASA's Voyager 1, launched in 1977, is nearing the edge of the solar system and may already be "dancing on the edge" of outer space, the scientists behind the project said Tuesday.
The universe is looking increasingly crowded as scientists Tuesday announced the first proof twin stars can host multiple planets -- boosting their search for a planet that could support life.
NASA transmitted the first song to be broadcast from Mars on Tuesday, by Grammy-winning US musician will.i.am, as part of efforts to inspire young people to get interested in science.
President Barack Obama and astronaut Buzz Aldrin led tributes Saturday to the famed Apollo 11 commander Neil Armstrong, the first man on the moon, lauding him as a reluctant but true American hero.
More than 40 years after Neil Armstrong landed on the moon, humans continue to push the frontiers of space exploration but missions are being tempered by costs, a trend that concerned the astronaut.
Kazakhstan astronaut Toktar Aubakirov expressed condolences in relation to the death of American astronaut Neil Armstrong and told about his impression of him.
India plans to launch a space probe that will orbit Mars, Prime Minister Manmohan Singh confirmed on Wednesday after press reports that the mission was scheduled to begin late next year.
US President Barack Obama on Monday ribbed scientists behind NASA's roving robot Curiosity, instructing them to let him know right away if they found life on Mars.
NASA said Friday that a mysterious spot shown on a photograph sent back to Earth by the Mars rover Curiosity was the crash landing of its rocket stage.