How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the ...

If you’re seated while reading these words — as I am writing them — you’re most likely convinced that you and the room around you are stationary. What if ...

In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s what’s known about it and what we’ve learned so far.

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

What if Earth sat at the center of the solar system? Imagine a universe rearranged with our planet as the gravitational hub.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's ...

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

Scientists say 3I/Atlas came closest to Mars in October. Its path this month put it in the path of the warm rays of our sun, where a tail became more visible. The 3.5-mile solar object is traveling at ...

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