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Astronomers have a new theory about planetary formation, and it revolves around one mysterious concept: interstellar visitors. No, not little green men, but rather deep-space wanderers like the peculiar comet

Spaceflight may make certain types of human stem cells age faster, a study suggests — but at least some of the damage may be reversible. Spending time aboard the International

Ah, it’s wonderful to be a sci-fi fan these days as this summer’s streaming roster has been sufficiently crammed with riveting shows like “Star Trek: Strange New Worlds,” “Invasion,” “Alien:

The moon is at new phase on Sept. 21 and during this upcoming week will appear first as a gradually diminishing crescent of light in the predawn hours, and during

Potentially Hazardous Asteroid 2025 FA22 close encounter: online observation – 18 Sept. 2025 – YouTube Watch On A potentially hazardous asteroid spanning the length of the Washington Monument will make

Photographer Osama Fathi has produced a pair of breathtaking images showing the dramatic transformation of the moon during the total lunar eclipse on Sept. 7, as it fell into the

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Climate models are complex, just like the world they mirror.

In 1979, NASA’s first space station, Skylab, fell to Earth. The intention was for it to crash into the Indian Ocean, but it survived deeper into the atmosphere than anyone

Specification Size: 5.9 x 5.4 x 5.4 inches Weight: 0.42lbs Bulb Type: LED Laser: No Control: On unit only Rotation: Yes Sleep timer: Yes Speaker: No Let’s get this out

The sun has grown increasingly active over the past 17 years, bucking a downward trend that had solar physicists wondering whether our star was heading towards a new “grand minimum”