Administration officials said the case grew out of a presidential order declaring antifa to be a terrorist group.

Four people are facing criminal charges in connection with what Attorney General Pam Bondi described on Monday as a foiled ...

A mysterious excess of far-ultraviolet light seen across the Milky Way could come from the annihilation of clumpy dark matter ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

Normal matter – which makes up everything we see and touch – isn’t the only type of matter present in the universe.