Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...

A strange object was seen flying over parts of Virginia on the afternoon of Jan.4 after a SpaceX launch earlier that morning.

The James Webb Space Telescope, the most powerful space telescope ever built, has picked up highly unusual readings from an object moving towards the inner solar system. These readings have sparked a ...

The sudden silence of a veteran Mars spacecraft has turned a routine comet flyby into one of the most intriguing space ...

Scientists using NASA's James Webb Space Telescope now think the "little red dots" spotted in the early universe could be a new kind of space object. They call it a "black hole star." Credit: T.

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...

The interstellar comet 3I/ATLAS is set to make its closest approach to Earth in December. 3I/ATLAS is the third-ever discovered object confirmed to have originated from outside our solar system. While ...

Astronomers have a new explanation for mysterious "little red dots" observed in the early universe: Maybe they're not crowded star clusters that upend everything scientists know about galaxies. Maybe ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth on Dec. 19. Originating from outside our solar system, the comet is not a threat to Earth. While not visible to the naked eye, ...