The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

The black hole at the center of the M87 galaxy is 1000 times more massive than Sagittarius A*. Watch views of both captured ...

One of the last meteor showers of the year, the Geminids, is set to dazzle stargazers overnight on Saturday. Follow Newsweek live.

Its last close encounter was in mid-September, the closest one yet, passing just 3.8 million miles from the solar surface. It passed through the boundary between outer space and the region where the ...