On October 31, 2015, an asteroid shaped like a human skull flew by Earth. It arrived with excellent timing on Halloween, ...

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

NASA's Double Asteroid Redirection Test (DART) impacted the 'moonlet' Dimorphos in the Didymos asteroid system. NASA's Hubble ...

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 ...

Avi Loeb, Harvard astrophysicist and longtime proponent of the possibility that certain celestial objects could be artificial ...