Comet 3I/Atlas is soon going to be closest to the Sun in its journey through our solar system. Here are five facts that shed ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

Think about space for a couple minutes, and it’s pretty cool. Think about space for a couple hours, and you might be on the verge of an existential crisis. Even if you want to fight your anxiety over ...

WASHINGTON — If you’ve ever looked up at the sky and wondered what life is really like up there, you’re in for a treat. We got the chance to chat with NASA astronaut and U.S. Space Force Colonel Nick ...

Jupiter is by far the largest planet in our solar system. The huge ball of hydrogen and helium circling the sun is about 88,000 miles wide, meaning more than 1,300 Earths could fit inside it.