Firing a gun in space, free from Earth's atmosphere and gravity, would result in the bullet and firer traveling indefinitely ...

Firing a gun in space plays out very differently from that on Earth, and the bullet may never stop. Here's everything that ...

Our satellites keep finding unusual space objects. Sometimes we know what causes these incredible objects in space, but others remain unsolved mysteries. Here are some awesome space facts and recent ...

A new frontier in space sustainability may have just opened. In a recent study published in Scientific Reports, scientists from Tohoku University in Japan introduced a fusion-powered plasma thruster ...

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

Astronomers have detected an astonishing celestial object emitting bright flashes of radio waves and X-rays that last for two minutes and repeat every 44 minutes. In a fresh twist, the discovery marks ...

The 6mm hole was discovered accidentally in footage from an onboard camera. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A tiny puncture ...

Some in the western suburbs of Chicago Tuesday, including Yorkville and Wadsworth, reported seeing objects streaking across the night sky, leaving a trail of what appeared to be flames in their wake.

3I/ATLAS, an interstellar object currently zipping through the solar system, is capturing the attention of astronomers, the ...

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