Astronomical phenomena tend to occur over timespans that dwarf our human scale—a galaxy changes over millions and billions of years, not decades. But a new timelapse of observations of a distant star ...

Imagine throwing a baseball. Easy, right? Maybe you've already done it a few times. Now imagine throwing a baseball on the moon. Maybe you've seen enough videos of astronauts bouncing around up there ...

Astronomers still aren't exactly sure how planets get their start. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you want to build a planet, ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang on ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Our solar system ...

Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary migrations that shaped the worlds we know today. While it may seem intuitive that ...

The newborn planetary system appears to be emerging 1,300 light-years away around a baby star known as HOPS-315. Planet-forming materials were first identified using NASA's James Webb Space Telescope.

Chris Impey receives funding from the National Science Foundation. Planets orbit their parent stars while separated by enormous distances – in our solar system, planets are like grains of sand in a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. After decades of ...

"I could even hear through my headphones the gasp in the room when there were no microphones around. You could see that it was a very nice discovery." When you purchase through links on our site, we ...