The interstellar comet 3I/Atlas is the fastest and largest of its kind, giving astronomers a rare glimpse into extrasolar ...

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

A new interstellar object has been spotted careening into the solar system at an extremely unusual trajectory.

On May 21, the International Astronomical Union's Minor Planet Center announced the discovery of 2017 OF201, which, because of its distance beyond Neptune, is classified as a trans-Neptunian ...

If it feels like summer is flying by, science says you’re not imagining it. Starting Wednesday, Earth is literally spinning ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

The Minor Planet Center in Cambridge, Mass., officially registered the new space rock Jan. 2, saying it was spotted hurling through the final frontier roughly 150,000 miles from Earth, according to… ...

Perhaps that's why the Minor Planet Center didn't initially consider the possibility when the organization announced the discovery on Jan. 2 of the unusual asteroid, complete with an official name ...

A large asteroid could pass close enough to Earth within the next decade that there's a chance it could strike the planet, according to NASA. The space rock, named 2024 YR4, is between 130 feet ...

Iron’s melting point is greater at higher pressure, and as the planet cooled, the extreme pressures at the very center of Earth eventually prevented the iron there from continuing to exist as a liquid ...