Comet Tsuchinshan-ATLAS should be visible to the naked eye as it passes Earth on its way out of our solar system ...

An explosion of particles is expected to reach Earth on Thursday, and could lead to visible Northern Lights in much of the ...

If warmer ocean temperatures persist, we could be looking at more active hurricane seasons—and more disasters—in the years ...

Election officials warn absentee voters to mail ballots early to avoid being discarded because of Postal Service delays.

NASA has sent a whole host of spacecraft across the solar system and even beyond. They range from crewed ships to orbit and ...