Interstellar visitor 3I/ATLAS is passing Earth. Scientists have studied using nuclear explosions to deflect comets. The goal is not to destroy but to vaporize surface material. This process, called ...

NASA OSIRIS-REx sample collection event at Asteroid Bennu saw the spacecraft plunge its arm into the surface. Find out how ...

Elon Musk unveils his 'secret' theory that the interstellar object 3I/ATLAS could be 'aliens.' Discover the anomalies, why NASA is silent, and the debate over its 'artificial origin.' ...

Matt Rogers, dressed as Nigel from “The Devil Wears Prada” for Halloween, joins TODAY’s Jenna Bush Hager and guest co-host Savannah Guthrie to break down the top five things in pop culture, including ...