Going into space is no small feat, and the cost to get people, satellites, and more to space is equally costly. Here are the ...

As the night grows long and the winter solstice approaches, there’s a host of astronomical events to watch out for, including ...

The Sun welcomes comments from readers via letters to the editor. All comments become the property of The Sun, which reserves the right to edit them. To submit a letter to the editor, use the form ...

A full moon at its closest point to Earth: December opens this week with a full moon, dubbed the “Cold Moon,” that also ...

Voyager 1 is about to cross a threshold that sounds almost mythical: within about a year, the spacecraft will be a full light ...