A Harvard boffin has issued an "immediate attention" warning to Congress and the United Nations, believing that there's a ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

The European Space Agency (ESA)has weighed in on the recent passage of the interstellar comet 3I/ATLAS as it soared past Mars ...

The stunning photos of the interstellar object, 3I/ATLAS, were taken by the European Space Agency's Mars orbiters last week.

Learn more about the Will-o’-the-Wisp and how this mysterious phenomenon, which has inspired faerie folklore, may actually be ...

More than two decades after it was first discovered, a mysterious ‘underwater city’ off the coast of Cuba is back in the ...

An unexpected deep-sea deposit may be the smoking gun from a nearby star that exploded as a supernova in the relatively ...

Harvard astrophysicist Avi Loeb suggests interstellar object 3I/ATLAS could be far more massive than previously thought.

Everything we see around us, from the ground beneath our feet to the most remote galaxies, is made of matter. For scientists, that has long posed a problem: According to physicists’ best current ...

Mysterious drone flights over the airspace of European Union member countries in recent weeks have alarmed the public and ...