Stargazers and scientists are getting a holiday present from the cosmos this week. 3I/ATLAS, an interstellar comet, will get “closest” to Earth on Friday, December 19, as part of its journey across ...

For months now, astronomers have been closely watching the mysterious interstellar object 3I/ATLAS as it rips through the solar system at a breakneck velocity. And before it finally leaves us for good ...

The interstellar object known as 3I/ATLAS has once again puzzled astronomers after new images taken on November 5 showed no sign of a cometary tail. The observations, captured by the R. Naves ...

The mysterious Manhattan-sized interstellar object 3I/ATLAS appears to have no cometary tail in new images, which would eliminate the conventional explanation for the surprising “non-gravitational ...

Here’s what you’ll learn when you read this story: Object Arjuna 2025 PN7 was thought to be a meteorite in an Earthlike orbit, but that is now being questioned. The new hypothesis suggests that 2025 ...

NBC News' Gadi Schwartz talks to Harvard Professor Avi Loeb about the new images released of interstellar object 3I/Atlas as it passed by Mars and how the government shutdown is impacting the release ...

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Syracuse's Steve Angeli and Baylor’s Sawyer Robertson have kept the early pace for passing leaders but going into Week 4, the race has tightened up a bit. Western Kentucky's Maverick McIvor remains in ...

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for billions of years, carrying pristine material from another star system Jay ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system.Video above: Astronomers discover how planets formThe Hubble Telescope and its Wide Field ...