SEATTLE, Wash. — David Fisher, an astronomy graduate student at The University of Texas at Austin, is making important contributions to the future understanding of galaxy evolution by studying the ...

Active galactic nuclei (AGN) are the luminous centres of galaxies powered by accretion onto supermassive black holes. Photometric studies, spanning ultraviolet to infrared wavelengths, measure ...

The mission, called "Operation Period," will be the first of its kind, according to the company. Two women from the nonprofit Operation Period will lead the research on the flight. The findings could ...

A crew of three specialists from Italy boarded a rocket plane Thursday bound for the edges of space in the first commercial flight for billionaire Richard Branson's Virgin Galactic space tourism ...