Greenhouse gas emissions could reduce drag in the upper atmosphere, leaving more space debris in orbit and making satellites ...

The four exoplanets orbit Barnard’s Star so closely that their years last only a few Earth days. They are probably rocky and, ...

The tri-state area is being treated to a full lunar eclipse this week. If you manage to be awake between 2:26 a.m. and 3:31 a.m. on Friday, you’ll notice the full moon taking on a reddish hue for a ...