The CosmicWatch device costs only $100 to make, making it accessible for both high school students and spacecraft operators.
If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...
Hints of impossibly bright, massive objects in the infant universe have forced astronomers to rethink how the first cosmic ...
White dwarfs are the leftover cores of stars that died long ago, some before Earth formed. Once created, they simply cool ...
Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to ...