July 10, 2013 -- Updated 1440 GMT (2240 HKT) July 2, 2013 -- Updated 1639 GMT (0039 HKT) You've answered the call for volunteers, signed up for the Mars trip and you are looking forward to boldly going to space, the final frontier, to explore a strange new world. June 26, 2013 -- Updated 1532 GMT (2332 HKT) Our everyday concerns seem small when we consider that there's a whole universe out there where other life may exist. April 21, 2013 -- Updated 1248 GMT (2048 HKT) In the midst of chaos here on Earth, scientists are finding hope for life on other planets. May 15, 2013 -- Updated 2205 GMT (0605 HKT) The future of NASA's planet-hunting Kepler space observatory was in question after a part that helps aim the spacecraft stopped working. March 29, 2013 -- Updated 1340 GMT (2140 HKT) In six hours, a person might walk 18 or so miles. By car, it could be 350-plus miles. A commercial airplane might get as far as 3,400 miles. March 21, 2013 -- Updated 1930 GMT (0330 HKT) How cute was our universe as a baby? We now know better than ever: The picture of our early universe just got sharper and tells scientists with greater precision many important facts about how the universe evolved. March 16, 2013 -- Updated 1417 GMT (2217 HKT) Stargazers in North America were delighted to see a highly anticipated comet make an appearance in the March sky. March 16, 2013 -- Updated 1418 GMT (2218 HKT) Breathtaking blossoms nearly the size of our solar system are strewn across the universe -- hundreds of thousands of them. Quasars are, at the same time, among the most fiery monsters. March 13, 2013 -- Updated 1622 GMT (0022 HKT) Curiosity, humanity's most powerful rover to land on Mars, has made a startling discovery: Conditions that could have supported life once existed there. March 2, 2013 -- Updated 1446 GMT (2246 HKT) First a meteor exploded over Russia, followed closely by an asteroid fly-by. Now, two comets are expected to put on a naked-eye spectacle for sky watchers in the Northern Hemisphere. March 5, 2013 -- Updated 1448 GMT (2248 HKT) One man. One woman. Five hundred and one days in an RV-size space capsule. Will they still be speaking when they return?