Finding a bubble of hot gas blown by the stellar wind from a young star gives researchers a peek at what our sun was like when it was young.

"Black holes are not as destructive as we thought. It seems plausible that the detection of planets in the galactic center is ...

(Photo by: Universal History Archive/ Universal Images Group via Getty Images) Astronomers heading the Search for Extraterrestrial Intelligence (SETI) predict their quest might first spark an ...