Security measures in Washington, D.C., are heightened as thousands are expected for Fourth of July celebrations. CBS News' Nicole Sganga reports.

This immersive journey explores the vast and mysterious landscapes of alien worlds scattered throughout the galaxy, from frozen dwarf planets in the outer reaches of our solar system to scorched ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...