Earth’s gravity has a lot to do with what people think is up and what is down. Things fall down toward the ground, but that ...
There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of ...
A team of astronomers at the University of Washington has identified what appears to be the aftermath of two planets smashing into each other around a star roughly 11,000 light-years from Earth. The ...
NASA’s SPARCS spacecraft has just sent back its first images, marking a major milestone in the mission to study low-mass ...
Looking for a sky event this week? Check out our full Sky This Week column. March 13: Look into the eyes of the Owl A transit of Io and its shadow occurs early this morning, after which Io reaches the ...
If you look eastward at the same hour for two nights in a row, you’ll find that the stars seem to be in the same place. But ...