The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, ...

An analysis of millions of galaxies found that the universe is barreling towards what is literally a much darker future.

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that ...

The search for the universe’s center starts with a simple intuition: if everything exploded outward in the Big Bang, there ...

Eclipses are not particularly rare in the universe. One occurs every time a planet, its orbiting moon, and its sun line up. Nearly every planet has a sun, and astronomers have reason to believe that ...

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our ...

Could our earliest radio broadcasts have been heard by alien worlds? Researchers suggest the waves have travelled over 100 ...

The universe occasionally produces a huge surprise that proves physicists wrong, says Kip Thorne, who grew up in Logan, Utah, ...