In the heart of the Milky Way is a black hole millions of times more massive than our sun, but does that mean we're destined ...

In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, ...

Comet 3I/ATLAS, the third confirmed interstellar visitor, is making its final exit from the solar system — and skywatchers ...

Recent research suggests that our solar system could already be hosting alien probes, potentially observing us from a ...

Scientists who study comets are struggling to keep up with popular speculation that the interstellar object 3I/ATLAS was sent ...

Imagine a fiery wall of gas reaching temperatures up to 50,000 K (equivalent to 90,000 °F). Thankfully, this barrier is not located near a star or at the ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously ...

Comet 3I/ATLAS, a 7-billion-year-old visitor from another star system, is stirring alien rumors. Scientists explain why the ...

Evidence now suggests the universe’s expansion has started to slow, not speed up. The findings imply dark energy is weakening ...

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of ...

Learn how exoplanets are discovered, what makes planets beyond our solar system unique, and how they drive the ongoing search ...

The untold true story that changed the course of history.