Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something ...

Imagine a journey where you could travel through the entire Solar System at the speed of light. In this video, we explore the incredible question of how long it would take to travel through our solar ...

Key takeaway: What is 3I/ATLAS? This comet, discovered by the NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS), was first detected 420 million miles from the sun on July 1. The Hubble ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble Telescope and its Wide Field Camera 3 got an incredible view of the comet ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien technology, a scientist claims in a new report.

Big questions about 3I/ATLAS remain, some of which may be impossible to answer — including where exactly it came from Big questions about 3I/ATLAS remain, some of which may be impossible to answer — ...

An interstellar comet, 3I/ATLAS, is speeding through our solar system in 2025, marking only the third such visitor. Traveling ...

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 ...

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than ...