Ken Croswell

Starry signposts to the Universe: Astronomers have new and accurate methods for measuring distances to the nearest galaxies. But these measurements also suggest that the Universe may be younger than its oldest stars

Science: Ripping yarn tells of Galaxy's starry past

Science: A dusty birth for new solar systems

Technology

Technology: Satellite peers through window to the Galaxy

Science: The incredible lightness of the Universe

Science: Untangling the history of elliptical galaxies

Science: Old star packs a punch

Science: Solar neutrino problem still unsolved

Science: Did comets give Titan its atmosphere?

Science: Supernovae shed light on a younger Universe

Science: Bursting through to dark matter

Science: Winking stars could reveal Galaxy's black hole